ALSA-2026:20586
ALSA-2026:20586 · Important: thunderbird security update
This page contains facts from public vulnerability sources. Check the original advisory before updating.
Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fix(es): * firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 140.10.1 and Firefox 150.0.1 (CVE-2026-7323) * firefox: thunderbird: Information disclosure due to incorrect boundary conditions in the Audio/Video component (CVE-2026-7320) * firefox: thunderbird: Memory safety bugs fixed in Thunderbird ESR 140.10.1 and Thunderbird 150.0.1 (CVE-2026-7322) * firefox: thunderbird: webrtc: Sandbox escape due to incorrect boundary conditions in the WebRTC: Networking component (CVE-2026-7321) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Fix available
- Published
- Updated
Stack: system
Affected products and versions
thunderbird AlmaLinux:8
- Affected ranges
- ECOSYSTEM: < 140.10.1-1.el8_10.alma.1
Update to 140.10.1-1.el8_10.alma.1
Original sources
- https://access.redhat.com/errata/RHSA-2026:20586
- https://access.redhat.com/security/cve/CVE-2026-7320
- https://access.redhat.com/security/cve/CVE-2026-7321
- https://access.redhat.com/security/cve/CVE-2026-7322
- https://access.redhat.com/security/cve/CVE-2026-7323
- https://bugzilla.redhat.com/2463481
- https://bugzilla.redhat.com/2463483
- https://bugzilla.redhat.com/2463484
- https://bugzilla.redhat.com/2463485
- https://errata.almalinux.org/8/ALSA-2026-20586.html
- https://osv.dev/vulnerability/ALSA-2026:20586