Issued at: 2025-11-21
Updated at: 2025-11-23
Synopsis
Important: thunderbird security update
Description
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.