thunderbird: firefox: Memory safety bugs fixed in Firefox ESR 115.34.1, Firefox ESR 140.9.1, Thunderbird ESR 140.9.1, Firefox 149.0.2 and Thunderbird 149.0.2

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 115.34.0, Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and Thunderbird 149.0.1. Some of these bugs showed evidence of...

Important: Red Hat Security Advisory: firefox security update

An update for firefox is now available for Red Hat Enterprise Linux 9.6 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

thunderbird: firefox: Memory safety bugs fixed in Firefox ESR 115.34.1, Firefox ESR 140.9.1, Thunderbird ESR 140.9.1, Firefox 149.0.2 and Thunderbird 149.0.2

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 115.34.0, Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and Thunderbird 149.0.1. Some of these bugs showed evidence of...

OPENSUSE-SU-2026:20667-1 Security update for MozillaFirefox

This update for MozillaFirefox fixes the following issues: Update to Firefox Extended Support Release 140.10.1 ESR. - MFSA 2026-36 bsc1263110 CVE-2026-7320: Information disclosure due to incorrect boundary conditions in the Audio/Video component. CVE-2026-7321: Sandbox escape due to incorrect...

thunderbird: firefox: Memory safety bugs fixed in Firefox ESR 115.34.1, Firefox ESR 140.9.1, Thunderbird ESR 140.9.1, Firefox 149.0.2 and Thunderbird 149.0.2

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 115.34.0, Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and Thunderbird 149.0.1. Some of these bugs showed evidence of...

firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 115.35, 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 115.34, Firefox ESR 140.9, Thunderbird ESR 140.9, Firefox 149 and Thunderbird 149. Some of these bugs showed evidence of memory corrupti...

OPENSUSE-SU-2026:10661-1 firefox-esr-140.10.1-1.1 on GA media

These are all security issues fixed in the firefox-esr-140.10.1-1.1 package on the GA media of openSUSE Tumbleweed...

thunderbird: firefox: Memory safety bugs fixed in Firefox ESR 140.9.1, Thunderbird ESR 140.9.1, Firefox 149.0.2 and Thunderbird 149.0.2

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 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and Thunderbird 149.0.1. Some of these bugs showed evidence of memory corruption and w...

CVE-2026-6771 vulnerabilities

Vulnerabilities for packages: firefox-esr, firefox...

GHSA-5WVF-8JJJ-7W99 vulnerabilities

Vulnerabilities for packages: firefox-esr, firefox...

CVE-2026-6746 vulnerabilities

Vulnerabilities for packages: firefox-esr, firefox...

Mozilla Firefox ESR < 115.35.1

The version of Firefox ESR installed on the remote Windows host is prior to 115.35.1. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-37 advisory. - Information disclosure due to incorrect boundary conditions in the Audio/Video component. This vulnerability wa...

DEBIAN-CVE-2026-7321

Sandbox escape due to incorrect boundary conditions in the WebRTC: Networking component. This vulnerability was fixed in Firefox 150, Thunderbird 150, Firefox ESR 140.10.1, and Thunderbird 140.10.1...

CVE-2026-7322

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 some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 150.0.1, Firefox ES...

CVE-2026-7321

Mozilla Firefox , Firefox ESR , and Thunderbird are vulnerable to a sandbox escape caused by incorrect boundary conditions in the WebRTC: Networking component. The vulnerability allows an attacker to bypass security boundaries, potentially compromising the confidentiality, integrity, and accessib...

EUVD-2026-26058

Sandbox escape due to incorrect boundary conditions in the WebRTC: Networking component. This vulnerability was fixed in Firefox ESR 140.10.1...

CVE-2026-7321 Sandbox escape due to incorrect boundary conditions in the WebRTC: Networking component

Sandbox escape due to incorrect boundary conditions in the WebRTC: Networking component. This vulnerability was fixed in Firefox 150, Thunderbird 150, Firefox ESR 140.10.1, and Thunderbird 140.10.1...

CVE-2026-7323 Memory safety bugs fixed in Thunderbird ESR 140.10.1 and Thunderbird 150.0.1

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 some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 150.0.1, Firefox ES...

Security Vulnerabilities fixed in Firefox 150.0.1 — Mozilla

Memory safety bugs present in Firefox ESR 115.35.0, Firefox ESR 140.10.0 and Firefox 150.0.0. 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. Memory safety bugs present in Firefox ESR...

openSUSE 16 Security Update : MozillaFirefox (openSUSE-SU-2026:20621-1)

The remote openSUSE 16 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:20621-1 advisory. Update to Firefox Extended Support Release 140.10.0 ESR. - MFSA 2026-32 bsc1262230: CVE-2026-6746: Use-after-free in the DOM: Core & HTML...