Astra Linux – Vulnerability in Firefox, Thunderbird

It was possible to create specific XSLT markup that could bypass the iframe sandbox. This vulnerability affects Firefox ESR versions prior to 91.5, Firefox versions prior to 96, and Thunderbird versions prior to 91.5...

Astra Linux – Vulnerability in Firefox and Thunderbird

Memory safety bugs exist in Firefox 138, Thunderbird 138, Firefox ESR 128.10, and Thunderbird 128.10. 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 has...

Astra Linux – Vulnerability in Firefox, Thunderbird

Mitigation bypass in the Networking: HTTP component. This vulnerability has been fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9...

Astra Linux – Vulnerability in Firefox and Thunderbird

Memory safety bugs exist in Firefox 113, Firefox ESR 102.11, and Thunderbird 102.12. 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 140.10, Thunderbird 150, and Thunderbird 140.10...

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 and Thunderbird

By injecting a cookie with certain special characters, an attacker on a shared subdomain that is not in a secure context can set and overwrite cookies from a secure context. This leads to session fixation and other attacks. This vulnerability affects Firefox ESR 102.3, Thunderbird 102.3, and...

Astra Linux – Vulnerability in Firefox and Thunderbird

When exiting fullscreen mode, an iframe could mislead the browser regarding the current state of fullscreen, potentially causing confusion for users or leading to spoofing attacks. This vulnerability affects Thunderbird 91.10, Firefox 101, and Firefox ESR 91.10...

Astra Linux – Vulnerability in nss

NSS has demonstrated timing differences during the execution of DSA signatures, which can be exploited and may eventually lead to the leakage of private keys. This vulnerability affects Thunderbird versions 68.9.0, Firefox versions 77, and Firefox ESR versions 68.9...

Astra Linux – Vulnerability in Firefox and Thunderbird

The black fade animation when exiting fullscreen is roughly the same duration as the delay in permission prompts during the anti-clickjacking process. It was possible to take advantage of this fact to surprise users by tempting them to click on the permission grant button before it appeared. This...

Astra Linux – Vulnerability in Firefox, Thunderbird

Another issue with the JavaScript Engine 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 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 and Thunderbird

A use-after-free might have occurred when an HTTP2 session object was released on a different thread, resulting in memory corruption and potentially exploitable crashes. This vulnerability affects Firefox 93, Thunderbird 91.3, and Firefox ESR 91.3...

Astra Linux – Vulnerability in Firefox, Thunderbird

The garbage collector might have been aborted in several states and zones, and GCRuntime::finishCollection might not have been called, resulting in a use-after-free and potentially exploitable crash. This vulnerability affects Firefox ESR 102.5, Thunderbird 102.5, and Firefox 107...

Astra Linux – Vulnerability in Firefox, 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, Thunderbird

By monitoring the time it takes for certain operations to complete, an attacker could figure out which external protocol handlers were functioning on a user’s system. This vulnerability affects Firefox 127, Firefox ESR 115.12, and Thunderbird 115.12...

Astra Linux – Vulnerability in Firefox and Thunderbird

Using XMLHttpRequest, an attacker could identify installed applications by probing error messages related to loading external protocols. This vulnerability affects Thunderbird version 91.4.0, Firefox ESR version 91.4.0, and Firefox version 95...

Astra Linux – Vulnerability in Firefox and Thunderbird

A type checking bug could have resulted in invalid code being compiled. This vulnerability affects Firefox 113, Firefox ESR 102.11, and Thunderbird 102.11...

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...

openSUSE 16: MozillaFirefox / MozillaFirefox-branding-upstream / etc (openSUSE-SU-2026:21519-1)

The remote openSUSE 16 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:21519-1 advisory. - Update to Firefox Extended Support Release 140.13.0 ESR. - MFSA 2026-70 bsc1271649: CVE-2026-15718: Invalid pointer in the JavaScript:...