Linux · SUSE Linux Enterprise · Security advisory · November 7, 2026
SUSE-SU-2026:4627-1: MozillaThunderbird security update
SUSE-SU-2026:4627-1, released November 7, 2026, fixes 129 CVEs in MozillaThunderbird (version 153.4.0-150400.13.6.1). None of them is reported as exploited. Patch Radar priority: Urgent.
Urgent
CVEs closed
129
14 rated Critical
Exploited
0
None reported
Highest CVSS
9.8
Base score, 0 to 10
Highest EPSS
0.0063
50th percentile
Priority of the 129 CVEs
Patch now 0
Urgent 14
High 104
Routine 11
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| MozillaThunderbird | sles 15.7 | 153.4.0-150400.13.6.1 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| Urgent | CVE-2026-92038 | Mitigation bypass in the Remote Settings Client component | 9.1 | 0.0032 | None reported |
| Urgent | CVE-2026-92041 | Mitigation bypass in the DOM: Networking component | 9.1 | 0.0032 | None reported |
| Urgent | CVE-2026-92075 | Mitigation bypass in the Networking component | 9.1 | 0.0032 | None reported |
| Urgent | CVE-2026-100760 | Sandbox escape in the Security: Process Sandboxing component | 9.6 | 0.0030 | None reported |
| Urgent | CVE-2026-100787 | Sandbox escape in the XUL component | 9.6 | 0.0030 | None reported |
| Urgent | CVE-2026-92045 | Sandbox escape due to incorrect boundary conditions in the WebRTC component | 9.6 | 0.0030 | None reported |
| Urgent | CVE-2026-100800 | Sandbox escape due to use-after-free in the Disability Access APIs component | 9.6 | 0.0029 | None reported |
| Urgent | CVE-2026-92048 | Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component | 9.0 | 0.0028 | None reported |
| Urgent | CVE-2026-92057 | Mitigation bypass in the Enterprise Policies component | 9.1 | 0.0025 | None reported |
| Urgent | CVE-2026-92079 | Mitigation bypass in the Widget: Win32 component | 9.1 | 0.0025 | None reported |
| Urgent | CVE-2026-100828 | Mitigation bypass in the Bookmarks & History component | 9.6 | 0.0024 | None reported |
| Urgent | CVE-2026-100829 | Mitigation bypass in the DOM: Security component | 9.6 | 0.0024 | None reported |
| Urgent | CVE-2026-92071 | Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component | 9.6 | 0.0024 | None reported |
| Urgent | CVE-2026-92059 | Incorrect boundary conditions in the DOM: Editor component | 9.3 | 0.0011 | None reported |
| High | CVE-2026-92240 | Out-of-bounds read in IMAP response parser | 9.1 | 0.0063 | None reported |
| High | CVE-2026-92238 | Ambiguous parsing of mail headers | 9.8 | 0.0054 | None reported |
| High | CVE-2026-100788 | Invalid pointer in the JavaScript: WebAssembly component | 9.8 | 0.0042 | None reported |
| High | CVE-2026-92239 | Buffer overrun in IMAP | 8.1 | 0.0041 | None reported |
| High | CVE-2026-100773 | Use-after-free in the Storage: IndexedDB component | 8.8 | 0.0040 | None reported |
| High | CVE-2026-100791 | Use-after-free in the DOM: Core & HTML component | 8.8 | 0.0040 | None reported |
| High | CVE-2026-92005 | Use-after-free in the Audio/Video: Web Codecs component | 7.5 | 0.0036 | None reported |
| High | CVE-2026-100783 | Uninitialized memory in the Audio/Video component | 7.5 | 0.0035 | None reported |
| High | CVE-2026-100775 | Sandbox escape in the Graphics component | 9.6 | 0.0033 | None reported |
| High | CVE-2026-100781 | Sandbox escape due to incorrect boundary conditions in the Graphics: WebRender component | 9.6 | 0.0033 | None reported |
| High | CVE-2026-92018 | Sandbox escape in the DOM: Core & HTML component | 9.6 | 0.0033 | None reported |
Showing 1 to 25 of 129
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