RHSA-2026:25014HighCVSS 8.8
Red Hat Security Advisory: thunderbird security update
🔗 CVE IDs covered (5)
📋 Description
CVE-2026-7320 — firefox: thunderbird: Information disclosure due to incorrect boundary conditions in the Audio/Video component CVE-2026-7321 — firefox: thunderbird: webrtc: Sandbox escape due to incorrect boundary conditions in the WebRTC: Networking component CVE-2026-7322 — firefox: thunderbird: Memory safety bugs fixed in Thunderbird ESR 140.10.1 and Thunderbird 150.0.1 CVE-2026-7323 — firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 140.10.1 and Firefox 150.0.1 CVE-2026-8091 — firefox: thunderbird: Incorrect boundary conditions in the Audio/Video: Playback component
🎯 Affected products10
- Red Hat Enterprise Linux AppStream AUS (v.8.6)
- Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.6)
- thunderbird-0:140.10.1-1.el8_6.src as a component of Red Hat Enterprise Linux AppStream AUS (v.8.6)
- thunderbird-0:140.10.1-1.el8_6.src as a component of Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.6)
- thunderbird-0:140.10.1-1.el8_6.x86_64 as a component of Red Hat Enterprise Linux AppStream AUS (v.8.6)
- thunderbird-0:140.10.1-1.el8_6.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.6)
- thunderbird-debuginfo-0:140.10.1-1.el8_6.x86_64 as a component of Red Hat Enterprise Linux AppStream AUS (v.8.6)
- thunderbird-debuginfo-0:140.10.1-1.el8_6.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.6)
- thunderbird-debugsource-0:140.10.1-1.el8_6.x86_64 as a component of Red Hat Enterprise Linux AppStream AUS (v.8.6)
- thunderbird-debugsource-0:140.10.1-1.el8_6.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.6)
✅ Remediation
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
🔗 References (7)
- selfhttps://access.redhat.com/errata/RHSA-2026:25014
- externalhttps://access.redhat.com/security/updates/classification/#important
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2463481
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2463483
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2463484
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2463485
- selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_25014.json