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firefox: thunderbird: Use-after-free in the WebRTC component

🗓️ 20 May 2026 02:05:23Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 10 Views

Security advisory for Firefox and Thunderbird cites a use-after-free in the real time communications component.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9.2aarch64thunderbird0:140.10.0-1.el9_2thunderbird-0:140.10.0-1.el9_2.aarch64.rpm
Red Hat Enterprise Linux9.2ppc64lethunderbird0:140.10.0-1.el9_2thunderbird-0:140.10.0-1.el9_2.ppc64le.rpm
Red Hat Enterprise Linux9.2s390xthunderbird0:140.10.0-1.el9_2thunderbird-0:140.10.0-1.el9_2.s390x.rpm
Red Hat Enterprise Linux9.2x86_64thunderbird0:140.10.0-1.el9_2thunderbird-0:140.10.0-1.el9_2.x86_64.rpm
Red Hat Enterprise Linux9.2aarch64thunderbird-debuginfo0:140.10.0-1.el9_2thunderbird-debuginfo-0:140.10.0-1.el9_2.aarch64.rpm
Red Hat Enterprise Linux9.2ppc64lethunderbird-debuginfo0:140.10.0-1.el9_2thunderbird-debuginfo-0:140.10.0-1.el9_2.ppc64le.rpm
Red Hat Enterprise Linux9.2s390xthunderbird-debuginfo0:140.10.0-1.el9_2thunderbird-debuginfo-0:140.10.0-1.el9_2.s390x.rpm
Red Hat Enterprise Linux9.2x86_64thunderbird-debuginfo0:140.10.0-1.el9_2thunderbird-debuginfo-0:140.10.0-1.el9_2.x86_64.rpm
Red Hat Enterprise Linux9.2aarch64thunderbird-debugsource0:140.10.0-1.el9_2thunderbird-debugsource-0:140.10.0-1.el9_2.aarch64.rpm
Red Hat Enterprise Linux9.2ppc64lethunderbird-debugsource0:140.10.0-1.el9_2thunderbird-debugsource-0:140.10.0-1.el9_2.ppc64le.rpm
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30 Jun 2026 13:36Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.17.5
EPSS0.004
SSVC
10