Ubuntu 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS : Postfix vulnerability (USN-8253-1)

The remote Ubuntu 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-8253-1 advisory. Kamil Frankowicz discovered that Postfix incorrectly handled certain enhanced status codes. A remote attacker could possibly use...

OESA-2026-2209 postfix security update

Postfix is a Mail Transport Agent MTA. Security Fixes: 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...

postfix-3.11.2-1.1 on GA media (moderate)

postfix-3.11.2-1.1 on GA media Announcement ID: openSUSE-SU-2026:10707-1 Rating: moderate Cross-References: CVE-2026-43964 CVSS scores: CVE-2026-43964 SUSE : 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2026-43964 SUSE : 8.2 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N...

USN-8253-1: Postfix vulnerability

Kamil Frankowicz discovered that Postfix incorrectly handled certain enhanced status codes. A remote attacker could possibly use this issue to cause Postfix to crash, resulting in a denial of service...

USN-8253-1 postfix vulnerability

Kamil Frankowicz discovered that Postfix incorrectly handled certain enhanced status codes. A remote attacker could possibly use this issue to cause Postfix to crash, resulting in a denial of service...

PT-2026-39180

Kamil Frankowicz discovered that Postfix incorrectly handled certain enhanced status codes. A remote attacker could possibly use this issue to cause Postfix to crash, resulting in a denial of service...

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.

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SUSE CVE-2026-43964

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...

PT-2026-38524

These are all security issues fixed in the postfix-3.11.2-1.1 package on the GA media of openSUSE Tumbleweed...

OPENSUSE-SU-2026:10707-1 postfix-3.11.2-1.1 on GA media

These are all security issues fixed in the postfix-3.11.2-1.1 package on the GA media of openSUSE Tumbleweed...

CVE-2026-43964

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...

UBUNTU-CVE-2026-43964

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

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...

AZL-85709 CVE-2026-43964 affecting package postfix for versions less than 3.9.11-1

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

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

Postfix versions affected by CVE-2026-43964 include 3.8.x prior to 3.8.16, 3.9.x prior to 3.9.10, and 3.10.x prior to 3.10.9. The issue is a buffer over-read that can trigger a process crash when handling an enhanced status code that lacks text after the third number. Multiple advisories (OSV, NV...

CVE-2026-43964

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

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...

EUVD-2026-27115

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

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...