Astra Linux – Vulnerability in Firefox

A use-after-free could occur if a JavaScript realm was being initialized when a garbage collection started. This vulnerability affects Firefox versions earlier than 125...

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...

Astra Linux – Vulnerability in Firefox

TypedArrays can be flawed, and they lack proper exception handling. This could lead to abuse in other APIs that expect TypedArrays to always succeed. This vulnerability affects Firefox versions less than 121...

Astra Linux – Vulnerability in Firefox

Multiple WebRTC threads may have claimed a newly connected audio input, resulting in a use-after-free vulnerability. This vulnerability affects Firefox versions less than 126...

Astra Linux – Vulnerability in Firefox

A malicious website might have included an iframe with a malformed URI, resulting in a non-exploitable browser crash. This vulnerability affects Firefox versions earlier than 126...

Astra Linux – Vulnerability in Firefox

If an attacker needed a user to load an insecure http: page and knew that the user had enabled HTTPS-only mode, the attacker could trick the user into clicking to grant an HTTPS-only exception, provided they could get the user to participate in a clicking game. This vulnerability affects Firefox...

Astra Linux – Vulnerability in Firefox

Passing invalid data could result in invalid Wasm values being created, such as arbitrary integers being converted into pointer values. This vulnerability affects Firefox versions less than 124...

Astra Linux – Vulnerability in Firefox and Thunderbird

Mozilla developers and community members Nika Layzell, Andrew McCreight, Gabriele Svelto, and the Mozilla Fuzzing Team reported memory safety bugs in Thunderbird 91.7. Some of these bugs exhibited signs of memory corruption, and we assume that with sufficient effort, some of these bugs could have...

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An outdated library libusrsctp contained vulnerabilities that could potentially be exploited.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 – Vulnerability in Firefox

When following a redirect to a publicly accessible web extension file, the URL may have been translated into the actual local path, potentially exposing sensitive information. This vulnerability affects Firefox versions earlier than 111...

Astra Linux – Vulnerability in Firefox and Thunderbird

A type check was missing when handling fonts in PDF.js, which would allow arbitrary JavaScript execution within the PDF.js context. This vulnerability affects Firefox 126, Firefox ESR 115.11, and Thunderbird 115.11...

Astra Linux – Vulnerability in Firefox

Memory safety bugs exist in Firefox 118. 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 119...

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

When dragging and dropping an image across origins, the size of the image may be leaked. This behavior was present in version 109 and caused web compatibility issues, as well as this security concern. Therefore, this behavior was disabled until further review. This vulnerability affects Firefox...

Astra Linux – Vulnerability in Firefox

Memory safety bugs exist in Firefox 122. 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 versions of Firefox prior to 123...

EUVD-2026-19612

Incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability affects Firefox 149.0.2...

CVE-2026-5734

Memory safety bugs present in Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and Thunderbird 149.0.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was...

PT-2026-30826

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 149.0.2 Thunderbird versions prior to 149.0.2 Description Memory safety bugs exist in Firefox 149.0.1 and Thunderbird 149.0.1. These bugs demonstrate evidence of memory corruption, and it is presumed that, with...

SUSE CVE-2026-4689

Sandbox escape due to incorrect boundary conditions, integer overflow in the XPCOM component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9...

SUSE CVE-2026-4691

Use-after-free in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9...