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...

Astra Linux – Vulnerability in Firefox and Thunderbird

The concurrent use of the URL parser with non-UTF-8 data was not thread-safe. This could lead to a “use-after-free” condition, resulting in a potentially exploitable crash. This vulnerability affects Firefox ESR 102.3, Thunderbird 102.3, and Firefox 105...

Astra Linux – Vulnerability in Thunderbird, Firefox

An outdated library libusrsctp contained vulnerabilities that could potentially be exploited. This vulnerability affects Firefox versions earlier than 108...

Astra Linux – Vulnerabilities in Firefox, Thunderbird, and Expat

Expat also known as libexpat before version 2.4.4 has an integer overflow in the doProlog function...

Astra Linux – Vulnerability in Firefox and Thunderbird

An improper implementation of the new iframe sandbox keyword allow-top-navigation-by-user-activation could allow script execution when the allow-scripts flag is not set. This vulnerability affects Thunderbird version 91.9, Firefox ESR version 91.9, and Firefox version 100...

Astra Linux – Vulnerability in Firefox and Thunderbird

Memory safety bugs exist in Firefox 114, Firefox ESR 102.12, and Thunderbird 102.12. 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 Firefox...

Astra Linux – Vulnerability in Firefox and Thunderbird

Firefox did not properly handle downloads of files ending with .desktop, which can be interpreted to execute commands controlled by the attacker. This bug only affects Firefox for Linux on certain distributions. Other operating systems are unaffected, and Mozilla is unable to list all affected...

Astra Linux – Vulnerability in Thunderbird

If a Thunderbird user has previously imported Alice’s OpenPGP key, and Alice has extended the validity period of her key, but Alice’s updated key has not yet been imported, an attacker may send an email containing a crafted version of Alice’s key with an invalid subkey. In this case, Thunderbird...

Astra Linux – Vulnerability in Thunderbird

Use-after-free in the Widget: Cocoa component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9...

Astra Linux – Vulnerability in Thunderbird

Information disclosure in the Widget: Cocoa component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9...

Astra Linux – Vulnerability in Thunderbird, Firefox

Navigation was allowed when dragging a URL from a cross-origin iframe into the same tab, which could lead to website spoofing attacks. This vulnerability affects Firefox 109, Firefox ESR 102.7, and Thunderbird 102.7...

Astra Linux – Vulnerability in Firefox and Thunderbird

An attacker could have triggered a use-after-free condition when creating a WebRTC connection over HTTPS. This vulnerability affects Firefox 115, Firefox ESR 102.13, and Thunderbird 102.13...

Astra Linux – Vulnerability in Firefox and Thunderbird

A type checking bug could have resulted in invalid code being compiled. This vulnerability affects Firefox 113, Firefox ESR 102.11, and Thunderbird 102.11...

Astra Linux – Vulnerability in Firefox and Thunderbird

Mozilla developers Andrew McCreight and Gabriele Svelto reported memory safety bugs present in Thunderbird 102.4. Some of these bugs showed signs of memory corruption, and we assume that with sufficient effort, some of these bugs could have been exploited to execute arbitrary code. This...

Astra Linux – Vulnerability in Firefox and Thunderbird

Cross-Site Tracing occurs when a server echoes a request back using the Trace method, allowing an XSS attack to access authorization headers and cookies that are inaccessible to JavaScript such as cookies protected by HTTPOnly. To mitigate this attack, browsers imposed restrictions on fetch and...

Astra Linux – Vulnerability in Firefox

In the lginit function, if several allocations succeed, but one fails, an uninitialized pointer would be freed even though it was never actually allocated. This vulnerability affects Firefox versions earlier than 102...

Astra Linux – Vulnerability in Firefox and Thunderbird

A properly crafted CMS message could be processed incorrectly, resulting in an invalid memory read and potentially further memory corruption. This vulnerability affects Thunderbird 91.10, Firefox 101, and Firefox ESR 91.10...

Astra Linux – Vulnerability in Firefox and Thunderbird

Performing garbage collection on re-declared JavaScript variables led to a “user-after-poison” situation, and potentially caused a exploitable crash. This vulnerability affects Firefox 85, Thunderbird 78.7, and Firefox ESR 78.7...

Astra Linux – Vulnerability in Firefox and Thunderbird

The texture upload of a Pixel Buffer Object could have caused WebGL code to skip binding the buffer used to unpack it, resulting in memory corruption and a potentially exploitable information leak or crash. This vulnerability affects Firefox ESR 78.9, Firefox 87, and Thunderbird 78.9...

Astra Linux – Vulnerability in Firefox and Thunderbird

Uninitialized memory in a canvas object could have led to an incorrect free operation, resulting in memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird 78.13, Thunderbird 91, Firefox ESR 78.13, and Firefox 91...