Hi, You are receiving an AlmaLinux Security update email because you subscribed to receive errata notifications from AlmaLinux. AlmaLinux: 8 Type: Security Severity: Important Release date: 2026-01-05 Summary: 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. Full details, updated packages, references, and other related information: https://errata.almalinux.org/8/ALSA-2026-0026.html This message is automatically generated, please don’t reply. For further questions, please, contact us via the AlmaLinux community chat: https://chat.almalinux.org/. Want to change your notification settings? Sign in and manage mailing lists on https://lists.almalinux.org. Kind regards, AlmaLinux Team