Unity Linux 20.1050a Security Update: kernel (UTSA-2026-098788)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-098788 advisory. In the Linux kernel, the following vulnerability has been resolved: staging: rtl8723bs: fix out-of-bounds read in OnBeacon ESR IE parsing The Extended Supported Rate...

SUSE SLES12: MozillaFirefox / MozillaFirefox-devel / etc (SUSE-SU-2026:3683-1)

The remote SUSE Linux SLES12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:3683-1 advisory. Update to Firefox Extended Support Release 140.14.0 ESR. - MFSA 2026-74 bsc1274867: - CVE-2026-74934: Site isolation issue in the Graphics:...

RLSA-2026:58897 Important: firefox security update

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox: thunderbird: Mitigation bypass in the Data Loss Prevention component CVE-2026-74983 firefox: thunderbird: Site isolation issue in the Graphics: CanvasWebGL...

[SECURITY] [DLA 4754-1] thunderbird security update

------------------------------------------------------------------------- Debian LTS Advisory DLA-4754-1 [email protected] https://www.debian.org/lts/security/ Emilio Pozuelo Monfort August 25, 2026 https://wiki.debian.org/LTS -...

Oracle Linux 10 : firefox (ELSA-2026-58899)

The remote Oracle Linux 10 host has a package installed that is affected by multiple vulnerabilities as referenced in the ELSA-2026-58899 advisory. 140.14.0-1.0.1 - Fix firefox-oracle-default-prefs.js for new nss Orabug: 37079773 - Add firefox-oracle-default-prefs.js and remove the corresponding...

Oracle Linux 9 : firefox (ELSA-2026-58897)

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-58897 advisory. 140.14.0-1.0.1 - Fix firefox-oracle-default-prefs.js for new nss Orabug: 37079773 - Add firefox-oracle-default-prefs.js and remove the corresponding R...

Oracle Linux 8 : firefox (ELSA-2026-58898)

The remote Oracle Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the ELSA-2026-58898 advisory. 140.14.0-1.0.1 - Fix firefox-oracle-default-prefs.js for new nss Orabug: 37079789 - diable wasisdk to prevent build failure with newer llvm 140.14.0 -...

firefox: thunderbird: Internally found bugs fixed in Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1 and Firefox 154

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Internally found bugs present in Thunderbird ESR 140.13, Thunderbird ESR 153.0 and Thunderbird 153. Some of these bugs showed evidence of memory corruption or another...

Astra Linux – Vulnerability in Thunderbird, Firefox

Memory safety bugs exist in Firefox 136, Thunderbird 136, Firefox ESR 128.8, and Thunderbird 128.8. 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 be...

Astra Linux – Vulnerability in Firefox, Thunderbird

During iframe navigation, certain pages did not have their FeaturePolicy fully initialized, resulting in a bypass that allowed device permissions to be leaked into untrusted sub-documents. This vulnerability affects Firefox ESR 102.3, Thunderbird 102.3, and Firefox 105...

Astra Linux – Vulnerability in Firefox and Thunderbird

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

Astra Linux – Vulnerability in Firefox, Thunderbird

If a document creates a sandboxed iframe without allow-scripts, and then appends an element to the iframe’s document that has a JavaScript event handler—the event handler will still be executed despite the iframe being in a sandbox. This vulnerability affects Firefox versions earlier than 97,...

Astra Linux – Vulnerability in Firefox

The timing of a button click that causes a pop-up to disappear was approximately the same duration as the delay in permission prompts to prevent clickjacking attacks. This fact could be used to surprise users by forcing them to click where the permission grant button was about to appear. This...

Astra Linux – Vulnerability in Firefox and Thunderbird

The WebGL DrawElementsInstanced method was vulnerable to a heap buffer overflow when used on systems with the Mesa VM driver. This issue could allow an attacker to perform remote code execution and sandbox escape. This vulnerability affects Firefox ESR 115.6, Thunderbird 115.6, and Firefox 121...

Astra Linux – Vulnerability in Firefox and Thunderbird

Memory safety bugs exist in Firefox 117, Firefox ESR 115.2, and Thunderbird 115.2. 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 version...

Astra Linux – Vulnerability in Firefox and Thunderbird

A out-of-bounds read could have led to a exploitable crash during HTML parsing using the DOMParser in low-memory situations. This vulnerability affects Firefox 116, Firefox ESR 102.14, and Firefox ESR 115.1...

Astra Linux – Vulnerability in Firefox and Thunderbird

In some code patterns, JIT incorrectly optimized switch statements and generated code that contained vulnerabilities related to out-of-bounds reads. This vulnerability affects Firefox 125, Firefox ESR 115.10, and Thunderbird 115.10...

Astra Linux – Vulnerability in Firefox and Thunderbird

When invoking protocol handlers for external protocols, a supplied parameter URL containing spaces was not properly escaped. This vulnerability affects Thunderbird 91.4.0, Firefox ESR 91.4.0, and Firefox 95...

Astra Linux – Vulnerability in Firefox, Thunderbird

Memory safety bugs exist in Firefox 119, Firefox ESR 115.4, and Thunderbird 115.4. 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 version...

Astra Linux – Vulnerability in Firefox and Thunderbird

If a custom mouse cursor is specified in CSS, under certain circumstances the cursor might be drawn over the browser UI, potentially causing confusion for users or leading to spoofing attacks. This vulnerability affects Firefox ESR 102.5, Thunderbird 102.5, and Firefox 107...