Astra Linux – Vulnerability in Firefox and Thunderbird

Race conditions in reference counting code were identified through code analysis. These conditions could lead to exploitable use-after-free vulnerabilities. This vulnerability affects Firefox 116, Firefox ESR 102.14, and Firefox ESR 115.1...

Astra Linux – Vulnerability in Thunderbird

To protect ICU from exploitation, the behavior for out-of-memory conditions has been changed to a crash instead of attempting to continue. This vulnerability affects Firefox ESR 115.9 and Thunderbird 115.9...

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 – Vulnerabilities in Firefox, Thunderbird, and Expat

In libexpat through version 2.4.9, there was a use-after-free issue caused by excessive destruction of a shared DTD in the XMLExternalEntityParserCreate function, especially in out-of-memory situations...

Astra Linux – Vulnerability in Firefox, Thunderbird

It was possible to cause the use of a MessagePort after it had already been freed, which could potentially lead to an exploitable crash. This vulnerability affects Firefox 120, Firefox ESR 115.5.0, and Thunderbird 115.5...

Astra Linux – Vulnerability in Firefox and Thunderbird

A malicious web page could have caused a “use-after-free” issue, leading to memory corruption and potentially exploitable crashes. This bug can only be triggered when accessibility is enabled. This vulnerability affects Thunderbird 78.12, Firefox ESR 78.12, and Firefox 90...

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 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 Thunderbird

When receiving an email message signed with OpenPGP/MIME and containing an additional outer MIME message layer, such as a message footer added by a mailing list gateway, Thunderbird only considers the signed inner message for signature validity. This creates the false impression that the addition...

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 – Vulnerabilities in Firefox, Thunderbird, and Expat

In Expat also known as libexpat, before version 2.4.3, a left shift of 29 or more in the storeAtts function in xmlparse.c could lead to improper realloc behavior. This could result in allocating too few bytes, or only freeing memory after it was no longer needed...

Astra Linux – Vulnerability in Thunderbird

It may be possible for an attacker to create an email message that causes Thunderbird to perform an out-of-bounds write operation, writing one byte when processing the message. This vulnerability affects Thunderbird versions prior to 91.6.1...

Astra Linux – Vulnerability in Firefox and Thunderbird

NSSToken objects were accessed via direct pointers, and could be accessed in an unsafe manner on different threads, leading to a use-after-free and potentially exploitable crash. This vulnerability affects Thunderbird 91.8, Firefox 99, and Firefox ESR 91.8...

Astra Linux – Vulnerabilities in Firefox, Thunderbird, NSS

NSS was vulnerable to a timing-side-channel attack during RSA decryption. This attack could potentially allow an attacker to retrieve private data. This vulnerability affects Firefox 124, Firefox ESR 115.9, and Thunderbird 115.9...

Astra Linux – Vulnerability in Firefox

Multiple NSS NIST curves were vulnerable to a side-channel attack known as “Minerva”. This attack could potentially allow an attacker to recover the private key. This vulnerability affects Firefox versions less than 121...

Astra Linux – Vulnerability in Firefox and Thunderbird

The WebGL DrawElementsInstanced method was vulnerable to a heap buffer overflow when used on systems with the Mesa VM driver. This issue could allow an attacker to perform remote code execution and sandbox escape. This vulnerability affects Firefox ESR 115.6, Thunderbird 115.6, and Firefox 121...

Astra Linux – Vulnerability in Firefox and Thunderbird

Firefox was vulnerable to a heap buffer overflow in nsTextFragment due to insufficient OOM handling. This vulnerability affects Firefox ESR 115.6, Thunderbird 115.6, and Firefox 121...

Astra Linux – Vulnerability in Firefox and Thunderbird

When resolving a symbolic link, a race condition may occur, where the buffer passed to readlink might actually be smaller than necessary. This bug only affects Firefox on Unix-based operating systems Android, Linux, MacOS. Windows is unaffected. This vulnerability affects Firefox ESR 115.6,...

Astra Linux – Vulnerability in Firefox and Thunderbird

A use-after-free condition affected the creation of TLS sockets when memory pressure was present. This vulnerability affects Firefox ESR 115.6, Thunderbird 115.6, and Firefox 121...

Astra Linux – Vulnerability in Firefox and Thunderbird

A Linux user who opened the print preview dialog box could have caused the browser to crash. This vulnerability affects Firefox 122, Firefox ESR 115.7, and Thunderbird 115.7...