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Firefox 127.0.2 release now available


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Firefox release 112.0.2 April 25, 2023

Fixed

  • Fixes a high memory usage issue with animated images in minimized (or completely covered) windows, especially when using animated themes (bug 1828587).

  • Fixes an issue where Linux users with bitmap fonts installed may have had entire sections of text invisible to them on some sites (bug 1827950).

  • Fixes an issue where web notifications with images were not displaying for Windows 8 users (bug 1822817).

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  • AdvancedSetup changed the title to Firefox 112.0.2 release now available
  • 2 weeks later...

Version 113.0, first offered to Release channel users on May 9, 2023

New

  • Say hello to enhanced Picture-in-Picture! Rewind, check video duration, and effortlessly switch to full-screen mode on the web's most popular video websites.

  • Firefox's address bar is already a great place to search for what you're looking for. Now you'll always be able to see your web search terms and refine them while viewing your search's results - no additional scrolling needed! Also, a new result menu has been added making it easier to remove history results and dismiss sponsored Firefox Suggest entries.
    Image demonstrating search terms persisting in the address bar after hitting Enter for easier editing

  • Private windows now protect users even better by blocking third-party cookies and storage of content trackers.

  • Passwords automatically generated by Firefox now include special characters, giving users more secure passwords by default.

  • Firefox 113 introduces a redesigned accessibility engine which significantly improves the speed, responsiveness, and stability of Firefox when used with:

    • Screen readers, as well as certain other accessibility software;
    • East Asian input methods;
    • Enterprise single sign-on software; and
    • Other applications which use accessibility frameworks to access information.
  • Importing bookmarks from Safari or a Chrome-based browser? The favicons for those bookmarks will now also be imported by default to make them easier to identify.

  • Firefox 113 now supports AV1 Image Format files containing animations (AVIS), improving support for AVIF images across the web.

  • The Windows GPU sandbox first shipped in the Firefox 110 release has been tightened to enhance the security benefits it provides.

  • A 13-year-old feature request was fulfilled and Firefox now supports files being drag-and-dropped directly from Microsoft Outlook. A special thanks to volunteer contributor Marco Spiess for helping to get this across the finish line!

  • Users on macOS can now access the Services sub-menu directly from Firefox context menus.

  • On Windows, the elastic overscroll effect has been enabled by default. When two-finger scrolling on the touchpad or scrolling on the touchscreen, you will now see a bouncing animation when scrolling past the edge of a scroll container.

  • Firefox is now available in the Tajik (tg) language.

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Fixed

features.e3de7d037f25.svg

Changed

  • The long-deprecated mozRTCPeerConnection, mozRTCIceCandidate, and mozRTCSessionDescription WebRTC interfaces have been removed. Sites should utilize the non-prefixed versions instead.

 

Mozilla Foundation Security Advisory 2023-16Security Vulnerabilities fixed in Firefox 113

Announced
May 9, 2023
Impact
high
Products
Firefox
Fixed in
  • Firefox 113

#CVE-2023-32205: Browser prompts could have been obscured by popups

Reporter
Alesandro Ortiz
Impact
high
Description

In multiple cases browser prompts could have been obscured by popups controlled by content. These could have led to potential user confusion and spoofing attacks.

References

#CVE-2023-32206: Crash in RLBox Expat driver

Reporter
Irvan Kurniawan
Impact
high
Description

An out-of-bound read could have led to a crash in the RLBox Expat driver.

References

#CVE-2023-32207: Potential permissions request bypass via clickjacking

Reporter
Hafiizh
Impact
high
Description

A missing delay in popup notifications could have made it possible for an attacker to trick a user into granting permissions.

References

#CVE-2023-32208: Leak of script base URL in service workers via import()

Reporter
Anne van Kesteren
Impact
moderate
Description

Service workers could reveal script base URL due to dynamic import().

References

#CVE-2023-32209: Persistent DoS via favicon image

Reporter
Sam Ezeh
Impact
moderate
Description

A maliciously crafted favicon could have led to an out of memory crash.

References

#CVE-2023-32210: Incorrect principal object ordering

Reporter
Nika Layzell
Impact
moderate
Description

Documents were incorrectly assuming an ordering of principal objects when ensuring we were loading an appropriately privileged principal. In certain circumstances it might have been possible to cause a document to be loaded with a higher privileged principal than intended.

References

#CVE-2023-32211: Content process crash due to invalid wasm code

Reporter
P1umer and xmzyshypnc
Impact
moderate
Description

A type checking bug would have led to invalid code being compiled.

References

#CVE-2023-32212: Potential spoof due to obscured address bar

Reporter
Hafiizh
Impact
moderate
Description

An attacker could have positioned a datalist element to obscure the address bar.

References

#CVE-2023-32213: Potential memory corruption in FileReader::DoReadData()

Reporter
Ronald Crane
Impact
moderate
Description

When reading a file, an uninitialized value could have been used as read limit.

References

#MFSA-TMP-2023-0002: Race condition in dav1d decoding

Reporter
Tyson Smith
Impact
moderate
Description

A race condition during dav1d decoding could have led to an out-of-bounds memory access, potentially leading to memory corruption and execution of malicious code.

References

#CVE-2023-32214: Potential DoS via exposed protocol handlers

Reporter
Gijs Kruitbosch
Impact
low
Description

Protocol handlers ms-cxh and ms-cxh-full could have been leveraged to trigger a denial of service.
Note: This attack only affects Windows. Other operating systems are not affected.

References

#CVE-2023-32215: Memory safety bugs fixed in Firefox 113 and Firefox ESR 102.11

Reporter
Mozilla developers and community
Impact
high
Description

Mozilla developers and community members Gabriele Svelto, Andrew Osmond, Emily McDonough, Sebastian Hengst, Andrew McCreight and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 112 and Firefox ESR 102.10. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code.

References

#CVE-2023-32216: Memory safety bugs fixed in Firefox 113

Reporter
Mozilla developers and community
Impact
high
Description

Mozilla developers and community members Ronald Crane, Andrew McCreight, Randell Jesup and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 112. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code.

References
 

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  • AdvancedSetup changed the title to Firefox 113.0 release now available

Now it is released.

Firefox 113.0.1

Fixed

  • Fixed incorrect colors for Windows users with installed monitor/display color profiles, particularly on wide gamut displays (bug 1832215)

  • Fixed borders being visible around fullscreen windows for some configurations (bug 1830721)

  • Fixed an issue which may cause users in some configurations to experience tearing when watching videos in fullscreen mode (bug 1830792)

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  • AdvancedSetup changed the title to Firefox 113.0.1 release now available
  • 2 weeks later...

Version 113.0.2, first offered to Release channel users on May 23, 2023

Fixed

  • Fixed an issue which caused Picture-in-Picture windows to not be snappable on Windows 11 or on systems with the FancyZones PowerToy installed (bug 1832331)

  • Fixed a video playback crash on some Windows systems with Intel graphics (bug 1831329)

  • Fixed a bug which could cause Firefox to freeze on some pages when loading them with the Developer Tools Web Console open (bug 1828026)

  • Fixed a bug which would cause the bookmarks and history sidebars to not properly react to the browser window being vertically resized (bug 1831535)

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  • AdvancedSetup changed the title to Firefox 113.0.2 release now available
  • 2 weeks later...

Version 114.0, first offered to Release channel users on June 6, 2023

Quote

New

  • Added UI to manage the DNS over HTTPS exception list.

  • Bookmarks can now be searched from the Bookmarks menu. The Bookmarks menu is accessible by adding the Bookmarks menu button to the toolbar.

  • Restrict searches to your local browsing history by selecting Search history from the History, Library or Application menu buttons.

  • Mac users can now capture video from their cameras in all supported native resolutions. This enables resolutions higher than 1280x720.

  • It is now possible to reorder the extensions listed in the extensions panel.

  • Users on macOS, Linux, and Windows 7 can now use FIDO2 / WebAuthn authenticators over USB. Some advanced features, such as fully passwordless logins, require a PIN to be set on the authenticator.

  • Pocket Recommended content can now be seen in France, Italy, and Spain.

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Fixed

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Changed

  • DNS over HTTPS settings are now part of the Privacy & Security section of the Settings page and allow the user to choose from all the supported modes.

Quote

Mozilla Foundation Security Advisory 2023-20

Security Vulnerabilities fixed in Firefox 114

Announced
June 6, 2023
Impact
high
Products
Firefox
Fixed in
  • Firefox 114

#CVE-2023-34414: Click-jacking certificate exceptions through rendering lag

Reporter
Irvan Kurniawan
Impact
high
Description

The error page for sites with invalid TLS certificates was missing the activation-delay Firefox uses to protect prompts and permission dialogs from attacks that exploit human response time delays. If a malicious page elicited user clicks in precise locations immediately before navigating to a site with a certificate error and made the renderer extremely busy at the same time, it could create a gap between when the error page was loaded and when the display actually refreshed. With the right timing the elicited clicks could land in that gap and activate the button that overrides the certificate error for that site.

References

#CVE-2023-34415: Site-isolation bypass on sites that allow open redirects to data: urls

Reporter
Jun Kokatsu
Impact
moderate
Description

When choosing a site-isolated process for a document loaded from a data: URL that was the result of a redirect, Firefox would load that document in the same process as the site that issued the redirect. This bypassed the site-isolation protections against Spectre-like attacks on sites that host an "open redirect". Firefox no longer follows HTTP redirects to data: URLs.

References

#CVE-2023-34416: Memory safety bugs fixed in Firefox 114 and Firefox ESR 102.12

Reporter
Mozilla developers and community
Impact
high
Description

Mozilla developers and community members Gabriele Svelto, Andrew McCreight, the Mozilla Fuzzing Team, Sean Feng, and Sebastian Hengst reported memory safety bugs present in Firefox 113 and Firefox ESR 102.11. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code.

References

#CVE-2023-34417: Memory safety bugs fixed in Firefox 114

Reporter
Mozilla developers and community
Impact
high
Description

Mozilla developers and community members Andrew McCreight, Randell Jesup, and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 113. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code.

References
 

 

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  • AdvancedSetup changed the title to Firefox 114.0 release now available

https://wiki.mozilla.org/Firefox/Channels/Meetings/2023-06-08#Schedule_Update

Quote
Quote

Schedule Update

  • 114
    • Desktop 114.0 rollout currently throttled
      • Waiting on a patch for a start-up crash
    • Aiming to build Desktop 114.0.1 and Fenix/Focus 114.1.0 today ready for QA and release tomorrow
    • Firefox iOS 114.1 scheduled for next week
      • Build on Monday, 2023-06-12 and release after QA sign-off on Tuesday, 2023-06-13

 

 

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  • AdvancedSetup changed the title to Firefox 114.0.1 release now available
  • 2 weeks later...
  • AdvancedSetup changed the title to Firefox 114.0.2 release now available
  • Root Admin

Firefox Release Calendar
https://wiki.mozilla.org/index.php?title=Release_Management/Calendar&redirect=no

The RELEASE versions of Firefox for 2023

  • 2023-04-11     Firefox 112
  • 2023-05-09    Firefox 113
  • 2023-06-06    Firefox 114
  • 2023-07-04    Firefox 115
  • 2023-08-01    Firefox 116
  • 2023-08-29    Firefox 117
  • 2023-09-26    Firefox 118
  • 2023-10-24    Firefox 119
  • 2023-11-21     Firefox 120
  • 2023-12-19    Firefox 121

 

  • Firefox 113: 28 days after Firefox 112 (April has 30 days)
  • Firefox 114: 28 days after Firefox 113 (May has 31 days)
  • Firefox 115: 29 days after Firefox 114 (June has 30 days)
  • Firefox 116: 28 days after Firefox 115 (July has 31 days)
  • Firefox 117: 28 days after Firefox 116 (August has 31 days)
  • Firefox 118: 28 days after Firefox 117 (September has 30 days)
  • Firefox 119: 28 days after Firefox 118 (October has 31 days)
  • Firefox 120: 28 days after Firefox 119 (November has 30 days)
  • Firefox 121: 28 days after Firefox 120 (December has 31 days)

To find the average, we add up the differences and divide by the total number of releases:

(28 + 28 + 29 + 28 + 28 + 28 + 28 + 28) / 8 = 225 / 8 = 28.125 (approximately)

Therefore, the average amount of days between these releases, accounting for the number of days in each month, is approximately 28.125 days.

 

Edited by AdvancedSetup
Updated information
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On 6/28/2023 at 4:55 AM, AdvancedSetup said:
  • 2023-07-04    Firefox 115

Windows 7, 8, and 8.1 Support

We are ending support for Windows 7, 8 and 8.1. Users of Firefox on these versions of Windows will be moved over to the Firefox 115 ESR and will be supported until September 2024.

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Version 115.0, first offered to Release channel users on July 4, 2023

Mozilla Foundation Security Advisory 2023-22

Security Vulnerabilities fixed in Firefox 115

Announced
July 4, 2023
Impact
high
Products
Firefox
Fixed in
  • Firefox 115

#CVE-2023-3482: Block all cookies bypass for localstorage

Reporter
Martin Hostettler
Impact
moderate
Description

When Firefox is configured to block storage of all cookies, it was still possible to store data in localstorage by using an iframe with a source of 'about:blank'. This could have led to malicious websites storing tracking data without permission.

References

#CVE-2023-37201: Use-after-free in WebRTC certificate generation

Reporter
Irvan Kurniawan
Impact
high
Description

An attacker could have triggered a use-after-free condition when creating a WebRTC connection over HTTPS.

References

#CVE-2023-37202: Potential use-after-free from compartment mismatch in SpiderMonkey

Reporter
zx
Impact
high
Description

Cross-compartment wrappers wrapping a scripted proxy could have caused objects from other compartments to be stored in the main compartment resulting in a use-after-free.

References

#CVE-2023-37203: Drag and Drop API may provide access to local system files

Reporter
Paul Nickerson
Impact
moderate
Description

Insufficient validation in the Drag and Drop API in conjunction with social engineering, may have allowed an attacker to trick end-users into creating a shortcut to local system files. This could have been leveraged to execute arbitrary code.

References

#CVE-2023-37204: Fullscreen notification obscured via option element

Reporter
Irvan Kurniawan
Impact
moderate
Description

A website could have obscured the fullscreen notification by using an option element by introducing lag via an expensive computational function. This could have led to user confusion and possible spoofing attacks.

References

#CVE-2023-37205: URL spoofing in address bar using RTL characters

Reporter
Rohan Sharma
Impact
moderate
Description

The use of RTL Arabic characters in the address bar may have allowed for URL spoofing.

References

#CVE-2023-37206: Insufficient validation of symlinks in the FileSystem API

Reporter
Ameen Basha M K
Impact
moderate
Description

Uploading files which contain symlinks may have allowed an attacker to trick a user into submitting sensitive data to a malicious website.

References

#CVE-2023-37207: Fullscreen notification obscured

Reporter
Shaheen Fazim
Impact
moderate
Description

A website could have obscured the fullscreen notification by using a URL with a scheme handled by an external program, such as a mailto URL. This could have led to user confusion and possible spoofing attacks.

References

#CVE-2023-37208: Lack of warning when opening Diagcab files

Reporter
Puf
Impact
moderate
Description

When opening Diagcab files, Firefox did not warn the user that these files may contain malicious code.

References

#CVE-2023-37209: Use-after-free in `NotifyOnHistoryReload`

Reporter
Simon Descarpentries
Impact
moderate
Description

A use-after-free condition existed in NotifyOnHistoryReload where a LoadingSessionHistoryEntry object was freed and a reference to that object remained. This resulted in a potentially exploitable condition when the reference to that object was later reused.

References

#CVE-2023-37210: Full-screen mode exit prevention

Reporter
Hafiizh
Impact
low
Description

A website could prevent a user from exiting full-screen mode via alert and prompt calls. This could lead to user confusion and possible spoofing attacks.

References

#CVE-2023-37211: Memory safety bugs fixed in Firefox 115, Firefox ESR 102.13, and Thunderbird 102.13

Reporter
Andrew McCreight, Matthew Gaudet, Tom Ritter, and the Mozilla Fuzzing Team,
Impact
high
Description

Memory safety bugs present in Firefox 114, Firefox ESR 102.12, and Thunderbird 102.12. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code.

References

#CVE-2023-37212: Memory safety bugs fixed in Firefox 115

Reporter
Andrew McCreight, and the Mozilla Fuzzing Team
Impact
high
Description

Memory safety bugs present in Firefox 114. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code.

References

Quote

New

  • Migrating from another browser? Now you can bring over payment methods you've saved in Chrome-based browsers to Firefox.

  • Hardware video decoding is now enabled for Intel GPUs on Linux.

  • The Tab Manager dropdown now features close buttons, so you can close tabs more quickly.

  • We've refreshed and streamlined the user interface for importing data in from other browsers.

  • Users without platform support for H264 video decoding can now fallback to Cisco's OpenH264 plugin for playback.

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Fixed

  • The Windows Magnifier now follows the text cursor correctly when the Firefox title bar is visible.

  • Windows users on low-end/USB Wi-Fi drivers and with OS geolocation disabled, can now approve geolocation on a case by case basis without causing system-wide network instability.

  • Various security fixes.

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Changed

  • Undo and redo are now available in Password fields.

  • On Linux, middle-clicks on the new tab button will now open the xclipboard contents in the new tab. If the xclipboard content is a URL then that URL is opened, any other text is opened with your default search provider.

  • For users with a Firefox Colorways built-in theme, the theme will be automatically migrated to the same theme hosted on addons.mozilla.org for Firefox profiles that have disabled add-ons auto-updates. This allows users to keep their Colorways theme when they are later removed from Firefox installer files.

  • Certain Firefox users may come across a message in the extension's panel indicating that their add-ons are not allowed on the site currently open. We have introduced a new back-end feature to only allow some extensions monitored by Mozilla to run on specific websites for various reasons, including security concerns.

  •  

Edited by 1PW
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  • AdvancedSetup changed the title to Firefox 115.0 release now available

Excerpted from today's Firefox Scheduled Update:

Schedule Update

  • 115
  • Desktop 115.0 throttled at 0%
    • We are keeping the rollout throttled while we investigate a fix for a start-up crash
    • Desktop 115.0.1 timeline will depend on this fix
  • Android Fenix and Focus/Klar 115.0.1 live at 100% rollout
  • iOS Firefox and Focus/Klar 115.0 in a phased rollout
  • Android/iOS scheduled dot release scheduled for next week
    • gtb on 2023-06-10, go-live on 2023-06-11 after QA sign-off

Reference: Schedule Update

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Although I usually run the latest stable release version of Firefox as my default browser on macOS 13 Ventura, I have experienced single startup crashes, just after version updates, up to a few months ago.

I have not experienced any Firefox difficulties recently.

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  • AdvancedSetup changed the title to Firefox 115.0.1 release now available

Version 115.0.2, first offered to Release channel users on July 11, 2023

Firefox 115.0.2 fixes a security issue and several crashes

Quote

 

Fixed

  • Fixed a startup crash experienced by some Windows users by blocking instances of a malicious injected DLL (bug 1841751)

  • Fixed a bug with displaying a caret in the text editor on some websites (bug 1840804)

  • Fixed a bug with broken audio rendering on some websites (bug 1841982)

  • Fixed a bug with patternTransform translate using the wrong units (bug 1840746)

  • A security fix.

Security Vulnerabilities fixed in Firefox 115.0.2 and Firefox ESR 115.0.2

Announced
July 11, 2023
Impact
high
Products
Firefox, Firefox ESR
Fixed in
  • Firefox 115.0.2
  • Firefox ESR 115.0.2

#CVE-2023-3600: Use-after-free in workers

Reporter
Andrew McCreight
Impact
moderate
Description

During the worker lifecycle, a use-after-free condition could have occured, which could have led to a potentially exploitable crash.

References

 

Edited by 1PW
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  • AdvancedSetup changed the title to Firefox 115.0.2 release now available
  • 2 weeks later...
  • AdvancedSetup changed the title to Firefox 115.0.3 release now available

Version 116.0, first offered to Release channel users on August 1, 2023

New

  • Sidebar switcher allows users to access Bookmarks, History and Synced Tabs panels easily, quickly switch between them, move the sidebar to another side of the browser window, or close the sidebar. Now, keyboard users would be able to do it all with ease too, with or without any assistive technology running, without needing to memorize keyboard shortcuts to access these panels.

  • When an update is available in English locales, users will now have access to the release notes in the update notification prompt in the form of a "Learn More" link.

  • It is now possible to copy any file from your operating system and paste it into Firefox.

  • You asked, and we listened! The volume slider is now available in Picture-in-Picture.

  • We added the possibility to edit existing text annotations.

check.6ae3794b67ae.svg

Fixed

  • The upload performance of HTTP/2 has been significantly improved starting with Firefox 115.0, particularly on those with a higher bandwidth delay product (i.e., networks characterized by both high bandwidth and high latency).

  • Various security fixes.

features.e3de7d037f25.svg

Changed

  • The keyboard shortcut to reopen closed tabs (command + shift + t) now reopens last closed tab or last closed window, in the order items were closed. If there aren't any tabs or windows to reopen, this command restores the previous session. This change is in anticipation of upcoming changes to recently closed tabs.

 

Security Vulnerabilities fixed in Firefox 116

Announced
August 1, 2023
Impact
high
Products
Firefox
Fixed in
  • Firefox 116

#MFSA-RESERVE-2023-0001: Offscreen Canvas could have bypassed cross-origin restrictions

Reporter
Max Vlasov
Impact
high
Description

Offscreen Canvas did not properly track cross-origin tainting, which could have been used to access image data from another site in violation of same-origin policy.

References

#MFSA-RESERVE-2023-0002: Incorrect value used during WASM compilation

Reporter
Alexander Guryanov
Impact
high
Description

In some circumstances, a stale value could have been used for a global variable in WASM JIT analysis. This resulted in incorrect compilation and a potentially exploitable crash in the content process.

References

#MFSA-RESERVE-2023-0003: Potential permissions request bypass via clickjacking

Reporter
Axel Chong (@Haxatron)
Impact
high
Description

A bug in popup notifications delay calculation could have made it possible for an attacker to trick a user into granting permissions.

References

#MFSA-RESERVE-2023-0004: Crash in DOMParser due to out-of-memory conditions

Reporter
Irvan Kurniawan
Impact
high
Description

An out-of-bounds read could have led to an exploitable crash when parsing HTML with DOMParser in low memory situations.

References

#MFSA-RESERVE-2023-0005: Fix potential race conditions when releasing platform objects

Reporter
Nika Layzell
Impact
high
Description

Race conditions in reference counting code were found through code inspection. These could have resulted in potentially exploitable use-after-free vulnerabilities.

References

#MFSA-RESERVE-2023-0006: Stack buffer overflow in StorageManager

Reporter
Mark Brand
Impact
high
Description

In some cases, an untrusted input stream was copied to a stack buffer without checking its size. This resulted in a potentially exploitable crash which could have led to a sandbox escape.

References

#MFSA-RESERVE-2023-0007: Full screen notification obscured by file open dialog

Reporter
Hafiizh
Impact
moderate
Description

A website could have obscured the full screen notification by using the file open dialog. This could have led to user confusion and possible spoofing attacks.

References

#MFSA-RESERVE-2023-0008: File deletion and privilege escalation through Firefox uninstaller

Reporter
ycdxsb
Impact
moderate
Description

The Firefox updater created a directory writable by non-privileged users. When uninstalling Firefox, any files in that directory would be recursively deleted with the permissions of the uninstalling user account. This could be combined with creation of a junction (a form of symbolic link) to allow arbitrary file deletion controlled by the non-privileged user.
This bug only affects Firefox on Windows. Other operating systems are unaffected.

References

#MFSA-RESERVE-2023-0009: Full screen notification obscured by external program

Reporter
P Umar Farooq
Impact
moderate
Description

A website could have obscured the full screen notification by using a URL with a scheme handled by an external program, such as a mailto URL. This could have led to user confusion and possible spoofing attacks.

References

#MFSA-RESERVE-2023-0010: Lack of warning when opening appref-ms files

Reporter
P Umar Farooq
Impact
moderate
Description

When opening appref-ms files, Firefox did not warn the user that these files may contain malicious code.
This bug only affects Firefox on Windows. Other operating systems are unaffected.

References

#MFSA-RESERVE-2023-0011: Cookie jar overflow caused unexpected cookie jar state

Reporter
Marco Squarcina
Impact
low
Description

When the number of cookies per domain was exceeded in document.cookie, the actual cookie jar sent to the host was no longer consistent with expected cookie jar state. This could have caused requests to be sent with some cookies missing.

References

#MFSA-RESERVE-2023-0012: Memory safety bugs fixed in Firefox 116, Firefox ESR 115.1, Firefox ESR 102.14, Thunderbird 115.1, and Thunderbird 102.14

Reporter
Dianna Smith, Ryan VanderMeulen, Timothy Nikkel, and the Mozilla Fuzzing Team
Impact
high
Description

Memory safety bugs present in Firefox 115, Firefox ESR 115.0, Firefox ESR 102.13, Thunderbird 115.0, and Thunderbird 102.13. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code.

References

#MFSA-RESERVE-2023-0013: Memory safety bugs fixed in Firefox 116, Firefox ESR 115.1, and Thunderbird 115.1

Reporter
The Mozilla Fuzzing Team
Impact
high
Description

Memory safety bugs present in Firefox 115, Firefox ESR 115.0, and Thunderbird 115.0. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code.

References

#MFSA-RESERVE-2023-0014: Memory safety bugs fixed in Firefox 116

Reporter
Andrew McCreight and the Mozilla Fuzzing Team
Impact
high
Description

Memory safety bugs present in Firefox 115. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code.

References

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  • AdvancedSetup changed the title to Firefox 116.0 release now available

Firefox users on Windows 7, 8 and 8.1 moving to Extended Support Release

Firefox version 115 will be the last supported Firefox version for users of Windows 7, Windows 8 and Windows 8.1. If you are using these versions of Windows, you will be moved to the Firefox Extended Support Release (ESR) channel by an application update. Mozilla will provide security updates for these users until September 2024. No security updates will be provided after that date.

more…

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  • AdvancedSetup changed the title to Firefox 116.0.1 release now available

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