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Postfix CVE debriefs

These pages are published after PatchSiren validates generated defensive summaries against stored public CVE and source evidence.

LOW Postfix CVE published 2026-05-04

CVE-2026-43964

CVE-2026-43964 is a low-severity vulnerability in Postfix that can cause a buffer over-read and process crash. The vulnerability affects Postfix versions before 3.8.16, 3.9 before 3.9.10, and 3.10 before 3.10.9. The vulnerability was published on May 4, 2026, and last modified on June 30, 2026. The CVSS score for this vulnerability is 3.7, indicating a low severity. The vulnerability is caused by an enhan [truncated]