Debian/postfix: high 7.5
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.
Action: Upgrade postfix to 3.10.10-0+deb13u1 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 3.10.10-0+deb13u1 | - |
Fixed versions
| 3.10.10-0+deb13u1 |
Sources
- osv: DEBIAN-CVE-2026-43964#Debian:13/postfix
- https://security-tracker.debian.org/tracker/CVE-2026-43964
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