Astra Linux – Vulnerability in Thunderbird, Firefox

When encoding data from an inputStream in xpcom, the size of the input being encoded was not correctly calculated, potentially leading to an out-of-bounds memory write. This vulnerability affects Firefox 110, Thunderbird 102.8, and Firefox ESR 102.8...

Astra Linux – Vulnerability in Firefox

Memory safety bugs exist in Firefox 126. 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 versions prior to 127...

Astra Linux – Vulnerability in Firefox and Thunderbird

When Responsive Design Mode was enabled, it used references to objects that had previously been freed. We assume that with sufficient effort, this could have been exploited to execute arbitrary code. This vulnerability affects Firefox ESR 78.10, Thunderbird 78.10, and Firefox 88...

Astra Linux – Vulnerability in Firefox and Thunderbird

The WebAssembly JIT might miscalculate the size of a return type, which could lead to a null read and result in a crash. Note: This issue only affected x86-32 platforms. Other platforms are unaffected.. This vulnerability affects Firefox ESR 78.10, Thunderbird 78.10, and Firefox 88...

Astra Linux – Vulnerability in Firefox and Thunderbird

Mozilla developers and community members reported memory safety bugs in Firefox 93 and Firefox ESR 91.2. 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...

Astra Linux – Vulnerability in Firefox

By using XSL Transforms, a malicious webserver could serve a user an XSL document that would continue to execute JavaScript within the bounds of the same-origin policy even after the tab was closed. This vulnerability affects Firefox versions earlier than 97...

Astra Linux – Vulnerability in Firefox and Thunderbird

When generating the assembly code for MLoadTypedArrayElementHole, an incorrect AliasSet was used. In conjunction with another vulnerability, this could have led to an out-of-bounds memory read. This vulnerability affects Thunderbird 91.8, Firefox 99, and Firefox ESR 91.8...

Astra Linux – Vulnerability in Firefox

Under unusual circumstances, selecting text may cause text selection caching to behave incorrectly, resulting in a crash. This vulnerability affects Firefox versions less than 99...

Astra Linux – Vulnerability in Firefox

Firefox’s HTML parser did not correctly interpret HTML comment tags, leading to inconsistencies with other browsers. This vulnerability could have been exploited to embed user-controlled data within HTML comments on pages. This issue affects Firefox versions prior to 101...

Astra Linux - Vulnerability in Firefox

When using the Performance API, an attacker was able to detect subtle differences between PerformanceEntries and thereby determine whether the target URL had been redirected. This vulnerability affects Firefox versions earlier than 103...

Astra Linux – Vulnerability in Firefox

If an attacker loads a font using FontFace on a background worker, a use-after-free might occur, resulting in a potentially exploitable crash. This vulnerability affects Firefox versions earlier than 107...

Astra Linux – Vulnerability in Firefox and Thunderbird

Module load requests that failed were not checked to determine whether they had been cancelled, resulting in a use-after-free in ScriptLoadContext. This vulnerability affects Firefox 110, Thunderbird 102.8, and Firefox ESR 102.8...

Astra Linux – Vulnerability in Firefox

Because Firefox did not implement the unsafe-hashes CSP directive, an attacker who was able to inject markup into a page otherwise protected by a Content Security Policy might have been able to inject executable scripts. This would be severely restricted by the specified Content Security Policy o...

Astra Linux – Vulnerability in Firefox

By using iterative requests, an attacker was able to determine the size of an opaque response, as well as the contents of a Vary header provided by the server. This vulnerability affects Firefox versions earlier than 119...

Astra Linux – Vulnerability in Firefox

Memory safety bugs exist in Firefox 119. 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 versions prior to 120...

Astra Linux – Vulnerability in Firefox

GNOME was leaking browser tab titles into system logs. This could potentially expose users’ browsing habits when they are using private tabs. This vulnerability affects Firefox versions earlier than 121...

Astra Linux – Vulnerability in Firefox

Under unusual circumstances, an individual thread may survive the termination of its manager during shutdown. This could lead to a use-after-free condition, resulting in a potentially exploitable crash. This vulnerability affects Firefox versions earlier than 98...

Astra Linux – Vulnerability in Firefox and Thunderbird

JIT compilation errors in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 146, Firefox ESR 140.6, Thunderbird 146, and Thunderbird 140.6...

Astra Linux – Vulnerability in Firefox

Mozilla developers and community members Lukas Bernhard, Gabriele Svelto, Randell Jesup, and the Mozilla Fuzzing Team reported memory safety bugs in Firefox 107. Some of these bugs exhibited signs of memory corruption, and we assume that with sufficient effort, some of these bugs could have been...

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...