CVE-2026-43964

LOW

3.7

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.

CVE Details

CVSS v3.1 Score3.7

SeverityLOW

CVSS VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

Attack VectorNETWORK

ComplexityHIGH

Privileges RequiredNONE

User InteractionNONE

Published5/4/2026

Last Modified5/4/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-193

References

https://www.mail-archive.com/postfix-announce@postfix.org/msg00110.html(cve@mitre.org)

http://www.openwall.com/lists/oss-security/2026/05/04/30(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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