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firefox: thunderbird: Denial-of-service in the WebRTC: Signaling component

🗓️ 13 Apr 2026 10:16:48Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 4 Views

Denial of service in Firefox and Thunderbird via WebRTC signaling, per Mozilla advisory.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9.2aarch64firefox140.9.0-1.el9_2firefox-140.9.0-1.el9_2.aarch64.rpm
Red Hat Enterprise Linux9.2ppc64lefirefox140.9.0-1.el9_2firefox-140.9.0-1.el9_2.ppc64le.rpm
Red Hat Enterprise Linux9.2s390xfirefox140.9.0-1.el9_2firefox-140.9.0-1.el9_2.s390x.rpm
Red Hat Enterprise Linux9.2x86_64firefox140.9.0-1.el9_2firefox-140.9.0-1.el9_2.x86_64.rpm
Red Hat Enterprise Linux9.2aarch64firefox-debuginfo140.9.0-1.el9_2firefox-debuginfo-140.9.0-1.el9_2.aarch64.rpm
Red Hat Enterprise Linux9.2ppc64lefirefox-debuginfo140.9.0-1.el9_2firefox-debuginfo-140.9.0-1.el9_2.ppc64le.rpm
Red Hat Enterprise Linux9.2s390xfirefox-debuginfo140.9.0-1.el9_2firefox-debuginfo-140.9.0-1.el9_2.s390x.rpm
Red Hat Enterprise Linux9.2x86_64firefox-debuginfo140.9.0-1.el9_2firefox-debuginfo-140.9.0-1.el9_2.x86_64.rpm
Red Hat Enterprise Linux9.2aarch64firefox-debugsource140.9.0-1.el9_2firefox-debugsource-140.9.0-1.el9_2.aarch64.rpm
Red Hat Enterprise Linux9.2ppc64lefirefox-debugsource140.9.0-1.el9_2firefox-debugsource-140.9.0-1.el9_2.ppc64le.rpm
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15 Jul 2026 02:07Current
7.2High risk
Vulners AI Score7.2
CVSS 3.17.5
EPSS0.00414
SSVC
4