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firefox: thunderbird: Incorrect boundary conditions in the Audio/Video: Web Codecs component

🗓️ 17 Jun 2026 08:14:32Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 7 Views

Advisory: Firefox and Thunderbird have incorrect boundary conditions in Audio Video Web Codecs.

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Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9.6aarch64thunderbird140.11.0-1.el9_6thunderbird-140.11.0-1.el9_6.aarch64.rpm
Red Hat Enterprise Linux9.6ppc64lethunderbird140.11.0-1.el9_6thunderbird-140.11.0-1.el9_6.ppc64le.rpm
Red Hat Enterprise Linux9.6s390xthunderbird140.11.0-1.el9_6thunderbird-140.11.0-1.el9_6.s390x.rpm
Red Hat Enterprise Linux9.6x86_64thunderbird140.11.0-1.el9_6thunderbird-140.11.0-1.el9_6.x86_64.rpm
Red Hat Enterprise Linux9.6aarch64thunderbird-debuginfo140.11.0-1.el9_6thunderbird-debuginfo-140.11.0-1.el9_6.aarch64.rpm
Red Hat Enterprise Linux9.6ppc64lethunderbird-debuginfo140.11.0-1.el9_6thunderbird-debuginfo-140.11.0-1.el9_6.ppc64le.rpm
Red Hat Enterprise Linux9.6s390xthunderbird-debuginfo140.11.0-1.el9_6thunderbird-debuginfo-140.11.0-1.el9_6.s390x.rpm
Red Hat Enterprise Linux9.6x86_64thunderbird-debuginfo140.11.0-1.el9_6thunderbird-debuginfo-140.11.0-1.el9_6.x86_64.rpm
Red Hat Enterprise Linux9.6aarch64thunderbird-debugsource140.11.0-1.el9_6thunderbird-debugsource-140.11.0-1.el9_6.aarch64.rpm
Red Hat Enterprise Linux9.6ppc64lethunderbird-debugsource140.11.0-1.el9_6thunderbird-debugsource-140.11.0-1.el9_6.ppc64le.rpm
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15 Jul 2026 02:42Current
5.2Medium risk
Vulners AI Score5.2
CVSS 3.17.5
EPSS0.0056
SSVC
7