CVE-2026-43964

Published May 4, 2026

Last updated 8 days ago

Overview

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.
Source
cve@mitre.org
NVD status
Modified
Products
postfix

Risk scores

CVSS 3.1

Type
Primary
Base score
7.5
Impact score
3.6
Exploitability score
3.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Severity
HIGH

Weaknesses

cve@mitre.org
CWE-193
0b0ca135-0b70-47e7-9f44-1890c2a1c46c
CWE-193

Social media

Hype score
Not currently trending

Configurations