CVE-2026-57962EPSS p12.6%

CVE-2026-57962CVE-2026-57962

mozilla / thunderbird

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.

Scoring

CVSS 5.3 ()
VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS0.22% probability of exploitation · percentile 12.6% · 2026-08-14T12:00:27Z
Last modified2026-07-06
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.