Oracle Linux 8 : firefox (ELSA-2026-21382)

The remote Oracle Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the ELSA-2026-21382 advisory. 140.11.0-1.0.1 - Fix firefox-oracle-default-prefs.js for new nss Orabug: 37079789 - diable wasisdk to prevent build failure with newer llvm 140.11.0 -...

firefox: Memory safety bugs fixed in Firefox ESR 115.36, Firefox ESR 140.11 and Firefox 151

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: Memory safety bugs present in Firefox ESR 115.35, Firefox ESR 140.10 and Firefox 150. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these...

openSUSE 16 Security Update : MozillaFirefox (openSUSE-SU-2026:20789-1)

The remote openSUSE 16 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:20789-1 advisory. This update for MozillaFirefox fixes the following issues - Update to Firefox Extended Support Release 140.11.0 ESR MFSA 2026-48 bsc1265212. MFS...

firefox: thunderbird: Memory safety bugs fixed in Thunderbird ESR 140.10.1 and Thunderbird 150.0.1

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Memory safety bugs present in Thunderbird ESR 140.10.0 and Thunderbird 150.0.0. Some of these bugs showed evidence of memory corruption and we presume that with enough effort som...

Important: firefox security update

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox: Other issue in the WebRTC component CVE-2026-8094 firefox: Memory safety bugs fixed in Firefox ESR 115.35.2, Firefox ESR 140.10.2 and Firefox 150.0.2...

The vulnerability of Mozilla Firefox, Firefox ESR, and the email client Thunderbird, related to integer overflow, allows attackers to cause service failures.

The vulnerabilities of Mozilla Firefox, Firefox ESR, and the email client Thunderbird are related to integer overflows. Exploiting these vulnerabilities can allow a malicious actor to cause service failures remotely...

Debian dla-4594 : thunderbird - security update

The remote Debian 11 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-4594 advisory. - ------------------------------------------------------------------------- Debian LTS Advisory DLA-4594-1 [email protected]...

CVE-2026-8975

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: Memory safety bugs present in Firefox ESR 115.35, Firefox ESR 140.10 and Firefox 150. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these...

[SECURITY] [DLA 4592-1] firefox-esr security update

------------------------------------------------------------------------- Debian LTS Advisory DLA-4592-1 [email protected] https://www.debian.org/lts/security/ Emilio Pozuelo Monfort May 20, 2026 https://wiki.debian.org/LTS -...

[SECURITY] [DSA 6283-1] firefox-esr security update

------------------------------------------------------------------------- Debian Security Advisory DSA-6283-1 [email protected] https://www.debian.org/security/ Moritz Muehlenhoff May 20, 2026 https://www.debian.org/security/faq -...

firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 140.10, Thunderbird ESR 140.10, Firefox 150 and Thunderbird 150

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Memory safety bugs present in Firefox ESR 140.9, Thunderbird ESR 140.9, Firefox 149 and Thunderbird 149. Some of these bugs showed evidence of memory corruption and we presume th...

firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 140.10.1 and Firefox 150.0.1

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Memory safety bugs present in Thunderbird ESR 140.10.0 and Thunderbird 150.0.0. Some of these bugs showed evidence of memory corruption and we presume that with enough effort som...

Astra Linux – Vulnerability in Firefox and 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

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

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...

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 and Thunderbird

When Responsive Design Mode was enabled, it used references to objects that had previously been freed. We assume that with sufficient effort, this could have been exploited to execute arbitrary code. This vulnerability affects Firefox ESR 78.10, Thunderbird 78.10, and Firefox 88...

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...