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.