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firefox: thunderbird: Use-after-free in the Audio/Video component

🗓️ 08 Dec 2025 01:26:01Reported by RedHatType 
redhat
 redhat
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Use-after-free in Audio/Video affects Firefox and Thunderbird on Unix; versions below 145 and Extended Support Release below 140.5 and 115.30.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8.2x86_64thunderbird0:140.5.0-1.el8_2thunderbird-0:140.5.0-1.el8_2.x86_64.rpm
Red Hat Enterprise Linux8.2x86_64thunderbird-debuginfo0:140.5.0-1.el8_2thunderbird-debuginfo-0:140.5.0-1.el8_2.x86_64.rpm
Red Hat Enterprise Linux8.2x86_64thunderbird-debugsource0:140.5.0-1.el8_2thunderbird-debugsource-0:140.5.0-1.el8_2.x86_64.rpm

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30 Jun 2026 03:31Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.18.8
EPSS0.00288
SSVC
4