postfix denial of service

CVE-2026-43964 is a newly cataloged Postfix denial-of-service vulnerability, published in May 2026 and affecting Postfix before 3.8.16, 3.9 before 3.9.10, and 3.10 before 3.10.9, where malformed enhanced status-code handling can trigger a buffer over-read and crash a process. The bug is not a...