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CVE-2026-57962

nvd nist
Published: Jul 1, 2026Modified: Jul 6, 2026

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5.3
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
Exploitability: 1.6 / Impact: 3.6
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

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 (2)

Products: Mozilla: Thunderbird
Mozilla
1 product
Thunderbird
Configuration A
2 vulnerable
Vulnerable SoftwareAffected Versions
Mozilla
Thunderbird
Before 152.0.1
Thunderbird
Before 140.12.1

Related CWEs

CWE-400
Uncontrolled Resource Consumption
The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.

References (3)

Source: security@mozilla.org
Permissions Required
Source: security@mozilla.org
Vendor Advisory
Source: security@mozilla.org
Vendor Advisory

Timeline

No history available yet.