ALSA-2026:0026
ALSA-2026:0026 · 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: Memory safety bugs fixed in Firefox ESR 140.6, Thunderbird ESR 140.6, Firefox 146 and Thunderbird 146 (CVE-2025-14333) * firefox: Use-after-free in the WebRTC: Signaling component (CVE-2025-14321) * firefox: JIT miscompilation in the JavaScript Engine: JIT component (CVE-2025-14325) * firefox: Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component (CVE-2025-14322) * firefox: Privilege escalation in the Netmonitor component (CVE-2025-14328) * firefox: Privilege escalation in the Netmonitor component (CVE-2025-14329) * firefox: Same-origin policy bypass in the Request Handling component (CVE-2025-14331) * firefox: Privilege escalation in the DOM: Notifications component (CVE-2025-14323) * firefox: JIT miscompilation in the JavaScript Engine: JIT component (CVE-2025-14330) * firefox: JIT miscompilation in the JavaScript Engine: JIT component (CVE-2025-14324) 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: < 140.6.0-1.el8_10.alma.1
Update to 140.6.0-1.el8_10.alma.1
Original sources
- https://access.redhat.com/errata/RHSA-2026:0026
- https://access.redhat.com/security/cve/CVE-2025-14321
- https://access.redhat.com/security/cve/CVE-2025-14322
- https://access.redhat.com/security/cve/CVE-2025-14323
- https://access.redhat.com/security/cve/CVE-2025-14324
- https://access.redhat.com/security/cve/CVE-2025-14325
- https://access.redhat.com/security/cve/CVE-2025-14328
- https://access.redhat.com/security/cve/CVE-2025-14329
- https://access.redhat.com/security/cve/CVE-2025-14330
- https://access.redhat.com/security/cve/CVE-2025-14331
- https://access.redhat.com/security/cve/CVE-2025-14333
- https://bugzilla.redhat.com/2420502
- https://bugzilla.redhat.com/2420503
- https://bugzilla.redhat.com/2420504
- https://bugzilla.redhat.com/2420506
- https://bugzilla.redhat.com/2420508
- https://bugzilla.redhat.com/2420509
- https://bugzilla.redhat.com/2420512
- https://bugzilla.redhat.com/2420513
- https://bugzilla.redhat.com/2420516
- https://bugzilla.redhat.com/2420517
- https://errata.almalinux.org/8/ALSA-2026-0026.html
- https://osv.dev/vulnerability/ALSA-2026:0026