CVE-2026-92022

Use-after-free in the DOM: HTML Parser component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3...

CVE-2026-92028

Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3...

Astra Linux – Vulnerability in Firefox and Thunderbird

Mozilla developers and community members Gabriele Svelto, Andrew Osmond, Emily McDonough, Sebastian Hengst, Andrew McCreight, and the Mozilla Fuzzing Team reported memory safety bugs in Firefox 112 and Firefox ESR 102.10. Some of these bugs exhibited signs of memory corruption, and we assume that...

Astra Linux – Vulnerability in Thunderbird, Firefox

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 and Thunderbird

Incorrect boundary conditions in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 145, Firefox ESR 140.5, Thunderbird 145, and Thunderbird 140.5...

Astra Linux – Vulnerability in Firefox, Thunderbird

Mozilla developers reported memory safety bugs in Firefox 91 and Firefox ESR 78.13. 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 ESR...

Astra Linux – Vulnerability in Firefox and Thunderbird

Incorrect boundary conditions in the Libraries component of NSS. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10...

Astra Linux – Vulnerability in Firefox and Thunderbird

JIT compilation errors in the JavaScript Engine component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9...

Astra Linux – Vulnerability in Firefox, Thunderbird

Memory safety bugs exist in Firefox ESR 115.28, Firefox ESR 140.3, Thunderbird ESR 140.3, Firefox 143, and Thunderbird 143. 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...

Astra Linux – Vulnerability in Firefox and Thunderbird

A website could have obscured the fullscreen notification by using a URL that was processed by an external program, such as a mailto URL. This could have caused confusion among users and potentially led to spoofing attacks. This vulnerability affects Firefox 115, Firefox ESR 102.13, and Thunderbi...

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 Firefox and Thunderbird

Sandbox escape in the Profile Backup component. This vulnerability was fixed in Firefox 150.0.3, Firefox ESR 115.36, Firefox ESR 140.11, and Thunderbird 140.11...

Astra Linux – Vulnerability in Firefox, Thunderbird

If a Blob URL is loaded through some unusual user interaction, it may have been loaded by the system principal, granting additional privileges that should not be granted to web content. This vulnerability affects Firefox ESR 78.10, Thunderbird 78.10, and Firefox 88...

Astra Linux – Vulnerability in Firefox

Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12...

Astra Linux – Vulnerability in Firefox

A memory safety bug has been fixed in Firefox 152. This vulnerability was addressed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12...

Astra Linux – Vulnerability in Firefox

DoS attacks in the Graphics: ImageLib component. This vulnerability has been fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12...

Astra Linux – Vulnerability in Firefox, Thunderbird

A use-after-free in the JavaScript: GC component. This vulnerability was fixed in Firefox 147, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7...

Astra Linux – Vulnerability in Firefox and Thunderbird

Invalid pointer in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10...

Astra Linux – Vulnerability in Firefox and Thunderbird

Incorrect boundary conditions in the Graphics component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9...

Astra Linux – Vulnerability in Firefox

Privilege escalation in the Graphics: WebRender component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12...