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...

RHEL 8 : postfix (RHSA-2026:50963)

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2026:50963 advisory. The postfix packages provide a Mail Transport Agent MTA, which supports protocols like LDAP, SMTP AUTH SASL, and TLS. Security Fixes: postfix: buffe...

CVE-2026-55998 Cluster Existence Oracle via Unauthenticated Import Endpoint

The endpoint /v3/import/tokenclusterId.yaml retrieves the cluster object before validating the token. When a valid cluster ID references a cluster that has private registry secrets configured, a nil pointer dereference in pkg/systemtemplate/privateregistry.go causes the request to return HTTP 502...

Oracle Linux 10 : post (ELSA-2026-25930)

The remote Oracle Linux 10 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2026-25930 advisory. 2:3.8.5-10 - Fix for CVE-2026-43964: buffer over-read via malformed enhanced status code. Resolves: RHEL-176554 Tenable has extracted the preceding descriptio...

postfix security update

2:3.8.5-10 - Fix for CVE-2026-43964: buffer over-read via malformed enhanced status code. Resolves: RHEL-176554...

Security update for postfix

This update for postfix fixes the following issue CVE-2026-43964: buffer overread and process crash via an enhanced status code that lacks text after the third number bsc1264062. Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST onlineupdate o...

SUSE-SU-2026:2781-1 Security update for postfix

This update for postfix fixes the following issue - CVE-2026-43964: buffer overread and process crash via an enhanced status code that lacks text after the third number bsc1264062...

Security update for postfix

This update for postfix fixes the following issue CVE-2026-43964: buffer overread and process crash via an enhanced status code that lacks text after the third number bsc1264062. Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST onlineupdate o...

Oracle Linux 9 : post (ELSA-2026-26205)

The remote Oracle Linux 9 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2026-26205 advisory. 2:3.5.25-3 - Fix for CVE-2026-43964: buffer over-read via malformed enhanced status code. Resolves: RHEL-176550 Tenable has extracted the preceding description...

CVE-2026-11370

The WP Meta SEO plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 4.5.18 via the 'newlink' parameter. This makes it possible for authenticated attackers, with contributor-level access and above, to make web requests to arbitrary locations...

SUSE CVE-2026-12549

The fix for CVE-2026-2443 was regressed by a subsequent rework commit that replaced specific overflow checks with a general signed comparison. When a client sends a Range request with a suffix length exceeding the content size, the resulting negative start value is not properly clamped, leading t...

postfix security update

2:3.5.25-3 - Fix for CVE-2026-43964: buffer over-read via malformed enhanced status code. Resolves: RHEL-176550...

OPENSUSE-SU-2026:21020-1 Security update for postfix

This update for postfix fixes the following issue - CVE-2026-43964: buffer overread and process crash via an enhanced status code that lacks text after the third number bsc1264062...

SUSE-SU-2026:22335-1 Security update for postfix

This update for postfix fixes the following issue - CVE-2026-43964: buffer overread and process crash via an enhanced status code that lacks text after the third number bsc1264062...

Security update for postfix

This update for postfix fixes the following issue CVE-2026-43964: buffer overread and process crash via an enhanced status code that lacks text after the third number bsc1264062. Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST onlineupdate o...

RLSA-2026:25930 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,...

RLSA-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,...

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...