Red Hat Security Advisory: thunderbird security update
🔗 CVE IDs covered (29)
📋 Description
CVE-2026-6746 — firefox: thunderbird: Use-after-free in the DOM: Core & HTML component CVE-2026-6747 — firefox: thunderbird: Use-after-free in the WebRTC component CVE-2026-6748 — firefox: thunderbird: Uninitialized memory in the Audio/Video: Web Codecs component CVE-2026-6749 — firefox: thunderbird: Information disclosure due to uninitialized memory in the Graphics: Canvas2D component CVE-2026-6750 — firefox: thunderbird: Privilege escalation in the Graphics: WebRender component CVE-2026-6751 — firefox: thunderbird: Uninitialized memory in the Audio/Video: Web Codecs component CVE-2026-6752 — firefox: thunderbird: Incorrect boundary conditions in the WebRTC component CVE-2026-6753 — firefox: thunderbird: Incorrect boundary conditions in the WebRTC component CVE-2026-6754 — firefox: thunderbird: Use-after-free in the JavaScript Engine component CVE-2026-6757 — firefox: thunderbird: Invalid pointer in the JavaScript: WebAssembly component CVE-2026-6759 — firefox: thunderbird: Use-after-free in the Widget: Cocoa component CVE-2026-6761 — firefox: thunderbird: Privilege escalation in the Networking component CVE-2026-6762 — firefox: thunderbird: Spoofing issue in the DOM: Core & HTML component CVE-2026-6763 — firefox: thunderbird: Mitigation bypass in the File Handling component CVE-2026-6764 — firefox: thunderbird: Incorrect boundary conditions in the DOM: Device Interfaces component CVE-2026-6765 — firefox: thunderbird: Information disclosure in the Form Autofill component CVE-2026-6766 — firefox: thunderbird: Incorrect boundary conditions in the Libraries component in NSS CVE-2026-6767 — firefox: thunderbird: Other issue in the Libraries component in NSS CVE-2026-6769 — firefox: thunderbird: Privilege escalation in the Debugger component CVE-2026-6770 — firefox: thunderbird: Other issue in the Storage: IndexedDB component CVE-2026-6771 — firefox: thunderbird: Mitigation bypass in the DOM: Security component CVE-2026-6772 — firefox: thunderbird: Incorrect boundary conditions in the Libraries component in NSS CVE-2026-6776 — firefox: thunderbird: Incorrect boundary conditions in the WebRTC: Networking component CVE-2026-6785 — firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird ESR 140.10, Firefox 150 and Thunderbird 150 CVE-2026-6786 — firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 140.10, Thunderbird ESR 140.10, Firefox 150 and Thunderbird 150 CVE-2026-7320 — firefox: thunderbird: Information disclosure due to incorrect boundary conditions in the Audio/Video component CVE-2026-7321 — firefox: thunderbird: webrtc: Sandbox escape due to incorrect boundary conditions in the WebRTC: Networking component CVE-2026-7322 — firefox: thunderbird: Memory safety bugs fixed in Thunderbird ESR 140.10.1 and Thunderbird 150.0.1 CVE-2026-7323 — firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 140.10.1 and Firefox 150.0.1
🔗 References (32)
- selfhttps://access.redhat.com/errata/RHSA-2026:19348
- externalhttps://access.redhat.com/security/updates/classification/#important
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2460074
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2460075
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2460076
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2460078
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2460079
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2460085
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2460086
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2460088
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2460092
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2460094
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2460095
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2460096
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2460097
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2460099
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2460101
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2460102
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2460103
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2460104
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2460105
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2460106
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2460107
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2460108
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2460109
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2460110
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2460112
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2463481
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2463483
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2463484
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2463485
- selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_19348.json