EUVD-2026-42023

A path traversal flaw was found in SSSD's AD GPO provider. The adgpoextractsmbcomponents function does not sanitize .. sequences in the gPCFileSysPath LDAP attribute, allowing an attacker with AD GPO management access to write files outside the GPO cache directory as root. On default RHEL...

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...

CVE-2026-53182

A flaw was found in the Linux kernel's nl80211 Wi-Fi subsystem. The nl80211parsernrelems function, responsible for parsing EMA RNR Enhanced Multiple Access Reduced Neighbor Report lists, does not properly handle an excessive number of nested NL80211ATTREMARNRELEMS inputs. This improper input...

keycloak: Keycloak: Information disclosure via SAML ECP endpoint

A flaw was found in Keycloak. A remote, unauthenticated attacker can exploit this vulnerability by sending specially crafted SOAP requests to the SAML ECP Security Assertion Markup Language Enhanced Client or Proxy endpoint with varying client IDs. By observing distinct faultstrings in the...

CVE-2026-53257

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: enforce HE/EHT cap/oper consistency Xiang Mei reports that mac80211 could crash if ehtcap is set but ehtoper isn't. Rather than fixing that for the individual users, enforce that both HE/EHT have consistent elemen...

CVE-2026-53208 Bluetooth: L2CAP: reject BR/EDR signaling packets over MTUsig

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: reject BR/EDR signaling packets over MTUsig net/bluetooth/l2capcore.c:l2capsigchannel accepts BR/EDR signaling packets up to the channel MTU and dispatches each command without enforcing the signaling MTU MTUsig...

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...

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...

postfix security update

An update is available for postfix. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The postfix packages provide a Mail Transport Agent MTA, which supports...

RLSA-2026:25932 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...

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...

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...

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,...

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...

EUVD-2026-36736

LibreOffice can import EMF+ graphics, which may be embedded in documents. A heap buffer overflow existed when importing an EMF+ gradient brush. The number of gradient blend points was read from the file and used to compute an allocation size, but that multiplication could overflow, so a small...

CVE-2026-6045 Heap buffer overflow in EMF+ gradient brush import

LibreOffice can import EMF+ graphics, which may be embedded in documents. A heap buffer overflow existed when importing an EMF+ gradient brush. The number of gradient blend points was read from the file and used to compute an allocation size, but that multiplication could overflow, so a small...

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...

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...