CVE-2026-43964EPSS p57.8%

CVE-2026-43964CVE-2026-43964

postfix / postfix

Description

Postfix before 3.8.16, 3.9 before 3.9.10, and 3.10 before 3.10.9 sometimes allows a buffer over-read and process crash via an enhanced status code that lacks text after the third number.

Scoring

CVSS 3.7 ()
VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS0.88% probability of exploitation · percentile 57.8% · 2026-10-05T12:00:23Z
Last modified2026-08-20
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.