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, 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 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 Firefox

An attacker could write data to the user’s clipboard by bypassing the user prompt during a certain sequence of navigation events. This vulnerability affects Firefox 129, Firefox ESR 128.3, and Thunderbird 128.3...

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

Error handling for script execution was incorrectly isolated from web content, which could have allowed cross-origin leak attacks. This vulnerability was fixed in Firefox 139, Firefox ESR 115.24, Firefox ESR 128.11, Thunderbird 139, and Thunderbird 128.11...

Astra Linux – Vulnerability in Firefox and Thunderbird

Script elements that load cross-origin resources generated load and error events, which allowed information to be leaked and enabled XS-Leaks attacks. This vulnerability was fixed in Firefox 139, Firefox ESR 128.11, Thunderbird 139, and Thunderbird 128.11...

Astra Linux – Vulnerability in Firefox

A process isolation vulnerability in Thunderbird stems from improper handling of JavaScript URIs. This issue could allow content to execute in the process of the top-level document, rather than in the intended frame, potentially enabling a sandbox escape. This vulnerability has been fixed in...

Astra Linux – Vulnerability in Thunderbird, Firefox

A carefully crafted URL containing specific Unicode characters could conceal the true origin of the page, leading to a potential spoofing attack. This vulnerability was fixed in Firefox 137, Firefox ESR 128.9, Thunderbird 137, and Thunderbird 128.9...

Astra Linux – Vulnerability in Thunderbird, Firefox

Memory safety bugs exist in Firefox 134, Thunderbird 134, Firefox ESR 115.19, Firefox ESR 128.6, Thunderbird 115.19, and Thunderbird 128.6. 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...

Astra Linux – Vulnerability in Firefox and Thunderbird

An attacker could, through a specially crafted multipart response, execute arbitrary JavaScript under the resource://devtools origin. This would allow them to access cross-origin JSON content. This access is limited to “same site” documents due to the Site Isolation feature on desktop clients, bu...

Astra Linux – Vulnerability in Firefox and Thunderbird

An attacker could, through a specially crafted multipart response, execute arbitrary JavaScript under the resource://pdf.js origin. This would allow them to access PDF content from other origins. This access is limited to “same site” documents due to the Site Isolation feature on desktop clients,...

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

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, Thunderbird

A potentially exploitable type confusion could occur when looking up a property name on an object used as the with environment. This vulnerability affects Firefox 130, Firefox ESR 128.2, Firefox ESR 115.15, Thunderbird 128.2, and Thunderbird 115.15...

Astra Linux – Vulnerability in Thunderbird, Firefox

It was possible to interrupt the processing of a RegExp bailout and execute additional JavaScript code, potentially triggering garbage collection when the engine did not expect it. This vulnerability has been fixed in Firefox 136, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8...

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, 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, 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 problem with lowering/register allocation could lead to obscure but deterministic register confusion failures in JITted code, which could result in a potentially exploitable crash. This vulnerability affects Firefox 91 and Thunderbird 91...