CVE-2026-6755

Mitigation bypass in the DOM: postMessage component. This vulnerability was fixed in Firefox 150 and Thunderbird 150...

CVE-2026-6755

CVE-2026-6755 describes a mitigation bypass in the DOM: postMessage component. Affected products reference Mozilla Firefox and Thunderbird; the vulnerability was fixed in Firefox 150 and Thunderbird 150. The CVSSv3.1 base score is 6.5 (Network attack vector, Low attack complexity, Privileges requ...

CVE-2026-6755

Mitigation bypass in the DOM: postMessage component. This vulnerability was fixed in Firefox 150 and Thunderbird 150...

PT-2026-33949

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 A mitigation bypass exists within the File Handling component. Recommendations Update Firefox...

PT-2026-33957

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 A mitigation bypass exists within the DOM Security component. Recommendations Update to versi...

PT-2026-33942

Name of the Vulnerable Software and Affected Versions Firefox for Android versions prior to 150 Description A mitigation bypass exists in the software. Recommendations Update to version 150...

PT-2026-33941

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 150 Thunderbird versions prior to 150 Description A mitigation bypass exists in the DOM postMessage component. Recommendations Update to version 150 or later...

PT-2026-33946

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 150 Thunderbird versions prior to 150 Description A mitigation bypass exists in the Networking: Cookies component. Recommendations Update to version 150 for Firefox. Update to version 150 for Thunderbird...

PT-2026-33954

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 150 Thunderbird versions prior to 150 Description A mitigation bypass exists in the Networking: Cookies component. Recommendations Update Firefox to version 150. Update Thunderbird to version 150...

PT-2026-33960

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 150 Thunderbird versions prior to 150 Description A mitigation bypass exists within the DOM Security component. Recommendations Update to version 150 for Firefox. Update to version 150 for Thunderbird...

Mozilla Firefox和Mozilla Thunderbird 安全漏洞

Mozilla Firefox and Mozilla Thunderbird are both products of the American Mozilla Foundation. Mozilla Firefox is an open-source web browser. Mozilla Thunderbird is an email client software that emerged independently from the Mozilla Application Suite. This software supports IMAP and POP email...

Mozilla -- Mitigation bypass

https://bugzilla.mozilla.org/showbug.cgi?id=2016915 reports: Mitigation bypass in the DOM: Security component...

Mozilla -- Mitigation bypass

https://bugzilla.mozilla.org/showbug.cgi?id=2025067 reports: Mitigation bypass in the DOM: Security component...

Mozilla -- Mitigation bypass

https://bugzilla.mozilla.org/showbug.cgi?id=1880429 reports: Mitigation bypass in the DOM: postMessage component...

Mozilla -- Mitigation bypass

https://bugzilla.mozilla.org/showbug.cgi?id=2021666 reports: Mitigation bypass in the File Handling component...

Mozilla -- Mitigation bypass

https://bugzilla.mozilla.org/showbug.cgi?id=2016923 reports: Mitigation bypass in the Networking: Cookies component...

Mozilla -- Mitigation bypass

https://bugzilla.mozilla.org/showbug.cgi?id=2023615 reports: Mitigation bypass in the Networking: Cookies component...

firefox: thunderbird: Mitigation bypass in the Networking: HTTP component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Mitigation bypass in the Networking: HTTP component...

firefox: thunderbird: Mitigation bypass in the Networking: HTTP component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Mitigation bypass in the Networking: HTTP component...

firefox: thunderbird: Mitigation bypass in the Networking: HTTP component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Mitigation bypass in the Networking: HTTP component...