CVE-2026-12329EPSS p22.1%

CVE-2026-12329CVE-2026-12329

mozilla / firefox

Description

Memory safety bug fixed in Thunderbird ESR 140.12. This vulnerability was fixed in Firefox ESR 140.12 and Thunderbird 140.12.

Scoring

CVSS 5.3 ()
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS0.31% probability of exploitation · percentile 22.1% · 2026-10-05T12:00:23Z
Last modified2026-07-15
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.