CVE-2026-6762

Spoofing issue 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...

CVE-2026-6762

CVE-2026-6762 is a spoofing issue in the DOM: Core & HTML component. Connected advisories confirm it affects Firefox/Thunderbird stacks and was fixed in Firefox 150, ESR 115.35, ESR 140.10, Thunderbird 150, and Thunderbird 140.10. The CVSS 3.1 base score is 6.3 (MEDIUM) with NETWORK attack vector...

Mozilla -- Spoofing issue

https://bugzilla.mozilla.org/showbug.cgi?id=2021080 reports: Spoofing issue in the DOM: Core & HTML component...

thunderbird: Spoofing issue in Thunderbird

A flaw was found in Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Spoofing issue in Thunderbird...

OESA-2026-1993 thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: libexpat in Expat before 2.7.2 allows attackers to trigger large dynamic memory allocations via a small document that is submitted for parsing.CVE-2025-59375 Spoofing issue in Thunderbird. This vulnerability was fixed ...

thunderbird: Spoofing issue in Thunderbird

A flaw was found in Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Spoofing issue in Thunderbird...

thunderbird: Spoofing issue in Thunderbird

A flaw was found in Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Spoofing issue in Thunderbird...

thunderbird: Spoofing issue in Thunderbird

A flaw was found in Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Spoofing issue in Thunderbird...

thunderbird: Spoofing issue in Thunderbird

A flaw was found in Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Spoofing issue in Thunderbird...

Security update for MozillaThunderbird

This update for MozillaThunderbird fixes the following issues: Update to Mozilla Thunderbird 140.9 MFSA 2026-24, bsc1260083: CVE-2026-3889: Spoofing issue in Thunderbird CVE-2026-4371: Out of bounds read in IMAP parsing CVE-2026-4684: Race condition, use-after-free in the Graphics: WebRender...

CVE-2026-3889 Spoofing issue in Thunderbird

Spoofing issue in Thunderbird. This vulnerability was fixed in Thunderbird 149 and Thunderbird 140.9...

EUVD-2026-14871

Spoofing issue in the Privacy: Anti-Tracking component. This vulnerability affects Firefox 149...

CVE-2026-4728

Spoofing issue in the Privacy: Anti-Tracking component. This vulnerability was fixed in Firefox 149 and Thunderbird 149...

CVE-2026-4728

CVE-2026-4728 : A spoofing issue in the Privacy: Anti-Tracking component is documented for Mozilla Firefox and Mozilla Thunderbird. The connected documents consistently state the vulnerability and that it has been fixed in Firefox 149 and Thunderbird 149 . No additional technical details (root ca...

CVE-2026-4728

Spoofing issue in the Privacy: Anti-Tracking component. This vulnerability was fixed in Firefox 149 and Thunderbird 149...

CVE-2026-4728 Spoofing issue in the Privacy: Anti-Tracking component

Spoofing issue in the Privacy: Anti-Tracking component. This vulnerability was fixed in Firefox 149 and Thunderbird 149...

CVE-2026-4728

Spoofing issue in the Privacy: Anti-Tracking component. This vulnerability was fixed in Firefox 149 and Thunderbird 149...

CVE-2026-4728

Spoofing issue in the Privacy: Anti-Tracking component. This vulnerability was fixed in Firefox 149 and Thunderbird 149...

Mozilla Thunderbird < 140.9

The version of Thunderbird installed on the remote Windows host is prior to 140.9. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-24 advisory. - Privilege escalation in the Netmonitor component. This vulnerability affects Firefox 149, Firefox ESR 140.9,...

PT-2026-27515

Name of the Vulnerable Software and Affected Versions Thunderbird versions prior to 140.9 Thunderbird versions prior to 149 Description A spoofing issue exists in Thunderbird. Recommendations Update Thunderbird to version 140.9 or later. Update Thunderbird to version 149 or later...