CVEvulnerability
CVE-2026-110249
8.6 HIGH
Official page ↗
- Status
- Awaiting Analysis
- Published
- 2026-10-13
- Last modified
- 2026-10-20
- Assigner
- [email protected]
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 8.6 HIGH — CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
- Weaknesses
- CWE-400
Description
A malicious, compromised, or MITM-controlled Exchange server can return a single well-formed SOAP response containing an element with enough attributes to keep Thunderbird's main thread CPU-bound for seconds to hours. This vulnerability was fixed in Thunderbird 158 and Thunderbird 153.5.
Related
Weakness · CWE (1)
- CWE-400 Uncontrolled Resource Consumption weakness
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=2077826 bugzilla.mozilla.org
- https://www.mozilla.org/security/advisories/mfsa2026-109/ www.mozilla.org
- https://www.mozilla.org/security/advisories/mfsa2026-110/ www.mozilla.org