Vulnerability of the Audio/Video component: The playback feature in Mozilla Firefox browsers and the Thunderbird email client allows attackers to compromise the accessibility of protected information.

The vulnerability of the Audio/Video component: The playback functions of Mozilla Firefox browsers and the Thunderbird email client are related to the handling of a zero pointer. Exploiting this vulnerability could allow an attacker to compromise the accessibility of protected information...

CVE-2026-4714

Incorrect boundary conditions in the Audio/Video component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9...

RHEL 10 : thunderbird (RHSA-2025:21843)

The remote Redhat Enterprise Linux 10 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2025:21843 advisory. Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: firefox: Mitigation bypass in the DOM: Security component...