Security Advisory

CVE-2026-57962

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-07-01 00:58:32

Last updated 2026-07-01 14:40:26

Assigner mozilla

CVSS score not scored

State PUBLISHED

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.

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