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: 2025-11-25 Summary: Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fix(es): * firefox: Mitigation bypass in the DOM: Security component (CVE-2025-13018) * firefox: Use-after-free in the Audio/Video component (CVE-2025-13014) * firefox: Incorrect boundary conditions in the JavaScript: WebAssembly component (CVE-2025-13016) * firefox: Same-origin policy bypass in the DOM: Workers component (CVE-2025-13019) * firefox: Use-after-free in the WebRTC: Audio/Video component (CVE-2025-13020) * firefox: Race condition in the Graphics component (CVE-2025-13012) * firefox: Spoofing issue in Firefox (CVE-2025-13015) * firefox: Mitigation bypass in the DOM: Core & HTML component (CVE-2025-13013) * firefox: Same-origin policy bypass in the DOM: Notifications component (CVE-2025-13017) 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-2025-21881.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