CVEvulnerability
CVE-2026-57962
5.3 MEDIUM
Official page ↗
- Status
- Analyzed
- Published
- 2026-07-01
- Last modified
- 2026-10-25
- Assigner
- [email protected]
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 5.3 MEDIUM — CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-400
Description
A malicious LDAP server, which a Thunderbird user is configured to query for address-book autocomplete, can stash arbitrarily large amounts of attacker-supplied data into the Thunderbird LDAP client until it crashes due to memory exhaustion. This vulnerability was fixed in Thunderbird 152.0.1 and Thunderbird 140.12.1.
Affected configurations
• mozilla thunderbird (< 140.12.1)
• mozilla thunderbird (< 152.0.1)
Related
Weakness · CWE (1)
- CWE-400 Uncontrolled Resource Consumption weakness
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=2042872 Permissions Required
- https://www.mozilla.org/security/advisories/mfsa2026-63/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2026-64/ Vendor Advisory