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Alerts This Week
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Mageia 9 Postfix Important Buffer Over-read Vuln 2026-0192 CVE-2026-43964

mageia
Calendar Grey June 10, 2026
Dist Mageia Esm H88
Security update on Mageia for Postfix affecting versions before 3.10.9. Critical buffer over-read issue resolved.
Security update

Summary

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-2026-43964)

References

- https://bugs.mageia.org/show_bug.cgi?id=35513

- https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/message/ZO4LOHR75HKYCKH5Q4DTVUDIW76KSHBV/

- https://www.mail-archive.com/postfix-announce@postfix.org/msg00110.html

- https://www.openwall.com/lists/oss-security/2026/05/04/25

- https://www.cve.org/CVERecord?id=CVE-2026-43964

Topics%20covered

Topics Covered

security advisory buffer overflow important postfix Mageia process crash

Resolution

SRPMS

- 9/core/postfix-3.8.4-1.2.mga9

Severity
important
Lowest
Low
Medium
High
Critical

Publication date: 10 Jun 2026
URL: https://advisories.mageia.org/MGASA-2026-0192.html
Type: security
CVE: CVE-2026-43964

Topics%20covered

Topics Covered

security advisory buffer overflow important postfix Mageia process crash

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