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CVE-2026-57962

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.

Metadata

CVE ID: CVE-2026-57962
State: PUBLISHED
Assigner: mozilla
Reserved: 2026-06-26 15:27 UTC
Published: 2026-07-01 00:58 UTC
Last updated: 2026-07-01 00:58 UTC
Vendor / Product: Mozilla / Thunderbird
Sources: cve.org · NVD

Severity & Metrics

No CVSS data available.

Affected products (1)

Vendor	Product	Platform	Versions
Mozilla	Thunderbird	—	140.12.1 ≤ 140., 152.0.1 ≤

References (3)

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