Astra Linux – Vulnerability in Thunderbird

Mozilla developers and community members Julian Hector, Randell Jesup, Gabriele Svelto, Tyson Smith, Christian Holler, and Masayuki Nakano reported memory safety bugs in Firefox 94. Some of these bugs exhibited signs of memory corruption, and we assume that with sufficient effort, some of these...

Astra Linux – Vulnerability in Thunderbird

An optimization in WebGL was incorrect in some cases, and could have led to memory corruption and a potentially exploitable crash. Note: This advisory was added on December 13th, 2022 after we better understood the impact of the issue. The fix was included in the original release of Firefox 106...

Astra Linux – Vulnerability in Firefox and Thunderbird

When combining CSS properties for overflow and transform, the mouse cursor may interact with coordinates that differ from those displayed. This vulnerability affects Firefox ESR 102.1, Firefox ESR 91.12, Firefox 103, Thunderbird 102.1, and Thunderbird 91.12...

Astra Linux – Vulnerability in Firefox and Thunderbird

Web-accessible extension pages pages with a moz-extension:// scheme did not correctly enforce the frame-ancestors directive when it was used in the Web Extension’s Content Security Policy. This vulnerability affects Firefox 97, Thunderbird 91.6, and Firefox ESR 91.6...

Astra Linux – Vulnerability in Thunderbird

Mozilla developers reported memory safety bugs in Thunderbird 78.13.0. Some of these bugs exhibited signs of memory corruption, and we assume that with sufficient effort, some of these bugs could have been exploited to execute arbitrary code. This vulnerability affects Thunderbird versions less...

Astra Linux – Vulnerability in Thunderbird

Previously, Firefox for macOS and Linux would download temporary files to a user-specific directory in /tmp. However, this behavior was changed so that the files were downloaded to /tmp, where they could be affected by other local users. This behavior has been reverted to the original,...

Astra Linux – Vulnerability in Firefox and Thunderbird

During process shutdown, a document could cause a use-after-free of a languages service object, resulting in memory corruption and potentially exploitable crashes. This vulnerability affects Firefox 93, Thunderbird 91.2, and Firefox ESR 91.2...

Astra Linux – Vulnerability in Firefox and Thunderbird

The ShutdownObserver function was susceptible to potentially undefined behavior due to its reliance on a dynamic type that lacked a virtual destructor. This vulnerability affects Firefox ESR 115.6, Thunderbird 115.6, and Firefox 121...

Astra Linux – Vulnerability in Firefox and Thunderbird

The use of the new logical assignment operators in a JavaScript switch statement could lead to a type confusion, resulting in memory corruption and potentially exploitable crashes. This vulnerability affects Firefox 85, Thunderbird 78.7, and Firefox ESR 78.7...

Astra Linux – Vulnerability in Firefox and Thunderbird

When receiving rendering data via IPC mStream, it might have been destroyed during initialization, which could lead to a use-after-free condition and potentially cause a crash. This vulnerability affects Firefox 117, Firefox ESR 102.15, Firefox ESR 115.2, Thunderbird 102.15, and Thunderbird 115.2...

Astra Linux – Vulnerability in Firefox and Thunderbird

When creating a callback via IPC to display the Color Picker window, multiple identical callbacks might be created at once. Eventually, all of them would be destroyed as soon as one of the callbacks is completed. This could lead to a use-after-free condition, resulting in a potentially exploitabl...

Astra Linux – Vulnerability in Firefox and Thunderbird

Relative URLs that start with three slashes were incorrectly parsed. The “path-traversal” /../ part in the path could be used to override the specified host. This could lead to security issues in websites. This vulnerability affects Firefox 120, Firefox ESR 115.5.0, and Thunderbird 115.5...

Astra Linux – Vulnerability in Firefox and Thunderbird

Excel .xll add-ins did not have a blocklist entry in Firefox’s executable blocklist, which allowed them to be downloaded without any warning of their potential harm. This vulnerability affects Firefox 117, Firefox ESR 102.15, Firefox ESR 115.2, Thunderbird 102.15, and Thunderbird 115.2...

Astra Linux – Vulnerability in Firefox and Thunderbird

A bug in the calculation of popup notification delays could have allowed an attacker to trick a user into granting permissions. This vulnerability affects Firefox 122, Firefox ESR 115.7, and Thunderbird 115.7...

Astra Linux – Vulnerability in Firefox and Thunderbird

When importing resources using Web Workers, error messages would differentiate between application/javascript responses and non-script responses. This could have been exploited to obtain information across origins. This vulnerability affects Firefox 126, Firefox ESR 115.11, and Thunderbird 115.11...

Astra Linux – Vulnerability in Firefox and Thunderbird

When installing an add-on, Firefox verifies the signature before prompting the user. However, while the user is confirming the prompt, the underlying add-on file could be modified without being detected by Firefox. This vulnerability affects Firefox versions earlier than 98, Firefox ESR versions...

Astra Linux – Vulnerability in Firefox and Thunderbird

Firefox incorrectly accepted a new line in an HTTP/3 header, interpreting it as two separate headers. This allowed for a header splitting attack against servers using HTTP/3. This vulnerability affects Firefox 91.0.1 and Thunderbird 91.0.1...

Astra Linux – Vulnerability in Thunderbird

Ribose RNP before version 0.16.3 may hang when the input is malformed...

Astra Linux – Vulnerability in Firefox and Thunderbird

Documents in deeply-nested cross-origin browsing contexts may have obtained permissions granted to the top-level origin, bypassing the existing prompts and wrongly inheriting the top-level permissions. This vulnerability affects Thunderbird 91.9, Firefox ESR 91.9, and Firefox 100...

Astra Linux – Vulnerability in Thunderbird

A missing check related to text units could have led to a use-after-free condition and potentially exploitable crashes.Note: This advisory was added on December 13th, 2022 after we better understood the impact of the issue. The fix was included in the original release of Firefox 105. This...