CVE-2026-6754

CVE-2026-6754 is a memory-safety issue (Use-after-free) in the JavaScript Engine component that was fixed in Firefox 150 and related ESR branches, as well as Thunderbird 150/140.x lines. Public advisories confirm the flaw in the JavaScript engine leads to a potentially exploitable memory corrupti...

CVE-2026-6753 Incorrect boundary conditions in the WebRTC component

Incorrect boundary conditions in the WebRTC component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10...

CVE-2026-6753 Incorrect boundary conditions in the WebRTC component

Incorrect boundary conditions in the WebRTC component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10...

CVE-2026-6752 Incorrect boundary conditions in the WebRTC component

Incorrect boundary conditions in the WebRTC component. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10...

CVE-2026-6751

Uninitialized memory in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10...

CVE-2026-6750 Privilege escalation in the Graphics: WebRender component

Privilege escalation in the Graphics: WebRender component. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10...

CVE-2026-6749

Information disclosure due to uninitialized memory in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10...

CVE-2026-6747

Use-after-free in the WebRTC component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10...

CVE-2026-6746

Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10...

Updated firefox & thunderbird packages fix security vulnerabilities

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. CVE-2026-5731 Incorrect boundary conditions, integer overflow in the Graphics: Text component. CVE-2026-5732 Memory safety bugs fixed in Firefox ESR 140.9.1,...

thunderbird security update

140.9.1-1.0.1 - Fix prefs for new nss Orabug: 37079820 - Add Oracle prefs file 140.9.1 - Add OpenELA debranding 140.9.1-1 - Update to 140.9.1 ESR...

Security update for MozillaFirefox (important)

openSUSE security update: security update for mozillafirefox ------------------------------------------------------------- Announcement ID: openSUSE-SU-2026:20486-1 Rating: important References: bsc1261663 Cross-References: CVE-2026-5731 CVE-2026-5732 CVE-2026-5734 CVSS scores: CVE-2026-5731 SUSE...

PT-2026-33943

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 150 Firefox ESR versions prior to 140.10 Thunderbird versions prior to 150 Thunderbird versions prior to 140.10 Description An invalid pointer exists in the JavaScript: WebAssembly component. Recommendations Update to...

Mozilla多款产品 安全漏洞

Mozilla Firefox, among others, 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. Mozilla Thunderbird is an email client software that emerged independently from the Mozilla...

Mozilla Firefox ESR < 140.10

The version of Firefox ESR installed on the remote macOS or Mac OS X host is prior to 140.10. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-32 advisory. - Memory safety bugs present in Firefox ESR 140.9, Thunderbird ESR 140.9, Firefox 149 and Thunderbird 149...

PT-2026-33962

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 150 Firefox ESR versions prior to 140.10 Thunderbird versions prior to 150 Thunderbird versions prior to 140.10 Description Incorrect boundary conditions exist in the WebRTC: Networking component. Recommendations Upda...

Mozilla多款产品 安全漏洞

Mozilla Firefox, among others, 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. Mozilla Thunderbird is an email client software that emerged independently from the Mozilla...

PT-2026-33939

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 150 Firefox ESR versions prior to 140.10 Thunderbird versions prior to 150 Thunderbird versions prior to 140.10 Description Incorrect boundary conditions exist in the WebRTC component, which is a framework that enable...

PT-2026-33937

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 150 Firefox ESR versions prior to 140.10 Thunderbird versions prior to 150 Thunderbird versions prior to 140.10 Description Uninitialized memory exists in the Audio/Video: Web Codecs component. Recommendations Update ...

Oracle Linux 9 : thunderbird (ELSA-2026-8459)

The remote Oracle Linux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the ELSA-2026-8459 advisory. 140.9.1-1.0.1 - Fix prefs for new nss Orabug: 37079813 - Add Oracle prefs 140.9.1 - Add OpenELA debranding 140.9.1-1 - Update to 140.9.1 ESR Tenable ha...