RockyLinux 9 : postfix (RLSA-2026:26205)

The remote RockyLinux 9 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:26205 advisory. postfix: buffer over-read via malformed enhanced status code CVE-2026-43964 Tenable has extracted the preceding description block directly from the RockyLinux...

postfix: buffer over-read via malformed enhanced status code

A flaw was found in Postfix. This issue occurs when processing enhanced status codes, specifically an enhanced status code that lacks text following the third number. Depending on the configuration of the server, this allows a remote attacker to cause a buffer over-read of only 1 byte, leading to...

Important: Red Hat Security Advisory: postfix security update

An update for postfix is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from t...

Oracle Linux 8 : post (ELSA-2026-25932)

The remote Oracle Linux 8 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2026-25932 advisory. 2:3.5.8-8 - Fix for CVE-2026-43964: buffer over-read via malformed enhanced status code. Resolves: RHEL-176548 Tenable has extracted the preceding description...

ALSA-2026:26205 Important: postfix security update

The postfix packages provide a Mail Transport Agent MTA, which supports protocols like LDAP, SMTP AUTH SASL, and TLS. Security Fixes: postfix: buffer over-read via malformed enhanced status code CVE-2026-43964 For more details about the security issues, including the impact, a CVSS score,...

Important: postfix security update

The postfix packages provide a Mail Transport Agent MTA, which supports protocols like LDAP, SMTP AUTH SASL, and TLS. Security Fixes: postfix: buffer over-read via malformed enhanced status code CVE-2026-43964 For more details about the security issues, including the impact, a CVSS score,...

MGASA-2026-0192 Updated postfix packages fix security vulnerability

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: Fix of CVE-2026-43964

makedefs: support Linux kernel = 3 on build hosts - CVE-2026-43964: fix buffer over-read on enhanced status code without trailing text...

CLSA-2026-1779182686 postfix: Fix of CVE-2026-43964

CVE-2026-43964: fix buffer over-read on enhanced status code without trailing text...

CLSA-2026-1779181947 postfix: Fix of CVE-2026-43964

CVE-2026-43964: fix buffer over-read on enhanced status code without trailing text...

CLSA-2026-1779096347 postfix: Fix of CVE-2026-43964

CVE-2026-43964: fix buffer over-read in dsnsplit when an enhanced status code is not followed by other text...

CLSA-2026-1779095130 postfix: Fix of CVE-2026-43964

CVE-2026-43964: fix buffer over-read in dsnsplit when an enhanced status code is not followed by other text...

OESA-2026-2291 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 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...

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...