The vulnerabilities in the Firefox ESR and Firefox web browsers, as well as the Thunderbird email client, allow attackers to gain access to confidential data or cause service interruptions.

The vulnerabilities in the Firefox ESR and Firefox web browsers, as well as the Thunderbird email client, involve exploiting authentication vulnerabilities through phising techniques. Exploiting these vulnerabilities can allow a malicious actor to gain access to confidential data or cause service...

SUSE-SU-2026:1830-1 Security update for MozillaFirefox

This update for MozillaFirefox fixes the following issues Updated to Firefox Extended Support Release 140.10.2 ESR bsc1264378,MFSA 2026-41: - CVE-2026-8090: Use-after-free in the DOM: Networking component. - CVE-2026-8092: Memory safety bugs fixed in Firefox ESR 115.35.2, Firefox ESR 140.10.2 and...

OPENSUSE-SU-2026:20741-1 Security update for MozillaFirefox

This update for MozillaFirefox fixes the following issues Updated to Firefox Extended Support Release 140.10.2 ESR bsc1264378,MFSA 2026-41: - CVE-2026-8090: Use-after-free in the DOM: Networking component. - CVE-2026-8091: Incorrect boundary conditions in the Audio/Video: Playback component. -...

openSUSE 16 Security Update : MozillaFirefox (openSUSE-SU-2026:20667-1)

The remote openSUSE 16 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:20667-1 advisory. Update to Firefox Extended Support Release 140.10.1 ESR. - MFSA 2026-36 bsc1263110 CVE-2026-7320: Information disclosure due to incorrect bounda...

OESA-2026-2273 firefox security update

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance and portability. %if 0 %global mozdebugprefix /lib/debug %global mozdebugdir /lib/debug/ %global unamem %uname -m %global symbolsfilename -.en-US.-%uname.crashreporter-symbols.zip %global symbolsfilepath...

EUVD-2026-28365

Other issue in the WebRTC component. This vulnerability was fixed in Firefox ESR 140.10.2...

UBUNTU-CVE-2026-8092

Memory safety bugs present in Firefox ESR 115.35.1, Firefox ESR 140.10.1 and Firefox 150.0.1. 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...

CVE-2026-8094 Other issue in the WebRTC component

Other issue in the WebRTC component. This vulnerability was fixed in Firefox ESR 140.10.2 and Thunderbird 140.10.2...

CVE-2026-8091

CVE-2026-8091 affects Mozilla Audio/Video: Playback with an incorrect boundary condition in the component. It is fixed by updating to Firefox 150, Thunderbird 150, and Firefox ESR 140.10.1 (and 140.10.2 per ESR updates) as well as Firefox ESR 115.35.2. Connected disclosures corroborate this is a ...

Mozilla Firefox和Mozilla Firefox ESR 资源管理错误漏洞

Mozilla Firefox and Mozilla Firefox ESR are products of the American Mozilla Foundation. Mozilla Firefox is an open-source web browser. Mozilla Firefox ESR is a extended support version of Firefox the web browser. Both Mozilla Firefox and Mozilla Firefox ESR have a resource management...

Mozilla Firefox ESR < 140.10.2

The version of Firefox ESR installed on the remote macOS or Mac OS X host is prior to 140.10.2. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-41 advisory. - Memory safety bugs present in Firefox ESR 115.35.1, Firefox ESR 140.10.1 and Firefox 150.0.1. Some of...

Mozilla Firefox ESR < 115.35.2

The version of Firefox ESR installed on the remote Windows host is prior to 115.35.2. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-42 advisory. - Memory safety bugs present in Firefox ESR 115.35.1, Firefox ESR 140.10.1 and Firefox 150.0.1. Some of these bug...

firefox ESR -- Other issue in the WebRTC component

https://bugzilla.mozilla.org/showbug.cgi?id=2035939 reports: Other issue in the WebRTC component...

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...

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...

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...