Astra Linux – Vulnerability in Firefox and 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

Mozilla developers Andrew McCreight, Gabriele Svelto, Tom Ritter, and the Mozilla Fuzzing Team reported memory safety bugs in Firefox 99 and Firefox ESR 91.8. 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 Firefox

Due to unexpected data type conversions, a use-after-free might have occurred when interacting with the font cache. We assume that with sufficient effort, this vulnerability could have been exploited to execute arbitrary code. This vulnerability affects Firefox versions earlier than 88...

Astra Linux – Vulnerability in Firefox and Thunderbird

The Enhanced Tracking Protection’s Strict mode may have inadvertently allowed a CSP frame-src bypass and DOM-based XSS attacks through the Google SafeFrame shim in the Web Compatibility extension. This issue could have exposed users to malicious frames disguised as legitimate content. This...

Astra Linux – Vulnerability in Firefox, Thunderbird

Bypass of the same-origin policy in the Layout component. This vulnerability has been fixed in Firefox 143, Firefox ESR 140.3, Thunderbird 143, and Thunderbird 140.3...

Astra Linux – Vulnerability in Thunderbird

A use-after-free in WebGL extensions could lead to a potentially exploitable crash. This vulnerability affects Firefox 107, Firefox ESR 102.6, and Thunderbird 102.6...

Astra Linux – Vulnerability in Firefox and Thunderbird

In some cases, video frames may have been leaked between their origins. This vulnerability affects Firefox 132, Firefox ESR 128.4, Firefox ESR 115.17, Thunderbird 128.4, and Thunderbird 132...

Astra Linux – Vulnerability in Firefox

The MediaError message property should be consistent to avoid revealing information about cross-origin resources. However, for a cross-origin resource within the same site, this message might reveal information that could be used to carry out XS-Leaks attacks. This vulnerability affects Firefox...

Astra Linux – Vulnerability in Firefox and Thunderbird

A double-free issue could occur in secpkcs7decoderstartdecrypt, when handling an error path. Under certain conditions, the same symmetric key might be freed twice, potentially leading to memory corruption. This vulnerability affects Firefox 133, Thunderbird 133, Firefox ESR 128.7, and Thunderbird...

Astra Linux – Vulnerability in Firefox

Memory safety bugs exist in Firefox ESR 115.36, Firefox ESR 140.11, Thunderbird ESR 140.11, Firefox 151, and Thunderbird 151. 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

Memory safety bugs exist in Firefox 109 and Firefox ESR 102.7. 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 less than 110 and...

Astra Linux – Vulnerability in Firefox and Thunderbird

An attacker could have placed a datalist element to obscure the address bar. This vulnerability affects Firefox 113, Firefox ESR 102.11, and Thunderbird 102.11...

Astra Linux – Vulnerability in Firefox and Thunderbird

Information disclosure in the Networking: Cache component. This vulnerability was fixed in Firefox 143, Firefox ESR 140.3, Thunderbird 143, and Thunderbird 140.3...

Astra Linux – Vulnerability in Firefox and Thunderbird

A malicious website could have learned the size of a cross-origin resource that supported Range requests. This vulnerability affects Thunderbird 91.10, Firefox 101, and Firefox ESR 91.10...

Astra Linux – Vulnerability in Firefox

The Remote Agent, used in WebDriver, did not validate the Host or Origin headers. This could have allowed websites to connect back locally to the user’s browser to control it. This bug only affected Firefox when WebDriver was enabled, which is not the default configuration.. This vulnerability...

Astra Linux – Vulnerability in Firefox and Thunderbird

The truncation of a long URL could have allowed for origin spoofing in a permission prompt. This vulnerability affects Firefox 132, Firefox ESR 128.4, Thunderbird 128.4, and Thunderbird 132...

SUSE CVE-2026-16360

Memory safety bugs present in Firefox ESR 115.37, Firefox ESR 140.12 and Firefox 152. 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 fixed in Firefox 153, Firefox...

EUVD-2026-46251

Memory safety bugs present in Firefox ESR 115.37, Firefox ESR 140.12 and Firefox 152. 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 fixed in Firefox 153, Firefox...

PT-2026-61873

Name of the Vulnerable Software and Affected Versions Thunderbird ESR versions prior to 140.13 Firefox ESR versions prior to 115.38 Firefox ESR versions prior to 140.13 Description Memory safety bugs exist that may lead to memory corruption. These issues could potentially be exploited to execute...

Mozilla Firefox < 153.0

The version of Firefox installed on the remote Windows host is prior to 153.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-68 advisory. - Memory safety bugs present in Firefox ESR 140.12 and Firefox 152. Some of these bugs showed evidence of memory...