bind: BIND 9 server memory exhaustion during GSS-API TKEY negotiation

A flaw was found in BIND. A remote attacker can exploit this vulnerability by sending maliciously-constructed packets to BIND servers configured for TKEY-based authentication via GSS-API Generic Security Service Application Program Interface tokens. This can lead to excessive memory consumption,...

CVE-2026-58218

A flaw was found in Samba's internal DNS server where unauthenticated TKEY registration requests were added to the TKEY name cache before being rejected. A remote, unauthenticated attacker can exploit this behavior by sending a large number of TKEY requests with arbitrary names, exhausting the...

OPENSUSE-SU-2026:21475-1 Security update for samba

This update for samba fixes the following issues: - CVE-2026-6949: TSIG packet with crafted name compression can crash internal DNS server bsc1271672. - CVE-2026-15779: pamwinbind module with mkhomedir set allows chown of critical system paths without validation bsc1271469. - CVE-2026-58216: 6-by...

SUSE-SU-2026:3366-1 Security update for samba

This update for samba fixes the following issues - CVE-2026-6949: TSIG packet with crafted name compression can crash internal DNS server bsc1271672. - CVE-2026-15779: pamwinbind module with mkhomedir set allows chown of critical system paths without validation bsc1271469. - CVE-2026-58216: 6-byt...

Security update for samba

This update for samba fixes the following issues CVE-2026-6949: TSIG packet with crafted name compression can crash internal DNS server bsc1271672. CVE-2026-15779: pamwinbind module with mkhomedir set allows chown of critical system paths without validation bsc1271469. CVE-2026-58216: 6-byte heap...

USN-8621-1 samba vulnerabilities

It was discovered that Samba's pamwinbind incorrectly handled home directory ownership when mkhomedir was enabled. A local attacker could possibly use this issue to cause a denial of service by triggering a change in ownership of the root directory. CVE-2026-15779 Arjun Basnet, Douglas Bagnall, a...

USN-8621-1: Samba vulnerabilities

It was discovered that Samba's pamwinbind incorrectly handled home directory ownership when mkhomedir was enabled. A local attacker could possibly use this issue to cause a denial of service by triggering a change in ownership of the root directory. CVE-2026-15779 Arjun Basnet, Douglas Bagnall, a...

CVE-2026-58218

A flaw was found in Samba's internal DNS server where unauthenticated TKEY registration requests were added to the TKEY name cache before being rejected. A remote, unauthenticated attacker can exploit this behavior by sending a large number of TKEY requests with arbitrary names, exhausting the...

PT-2026-65631

A flaw was found in Samba's CTDB, the clustered database service used by Samba. Insufficient integrity validation of received CTDB protocol packets allows malformed packets containing invalid field lengths, improperly terminated strings, or inconsistent packet sizes to be processed without adequa...

PT-2026-65627

An out-of-bounds read flaw was found in Samba's Kerberos Key Distribution Center's KDC password change kpasswd service. When processing malformed ASN.1-encoded Kerberos password change request, Samba server miscalculates the structure size and attempts to read up to six bytes beyond the end of th...

PT-2026-65629

It was discovered that Samba's pam winbind incorrectly handled home directory ownership when mkhomedir was enabled. A local attacker could possibly use this issue to cause a denial of service by triggering a change in ownership of the root directory. CVE-2026-15779 Arjun Basnet, Douglas Bagnall,...

PT-2026-65630

A security flaw combining LDAP filter injection and improper authorization checks was found in Samba Active Directory Domain Controller AD DC. When processing LDAP Compare requests, Samba fails to properly validate user-supplied attribute names and executes the resulting internal database search ...

MiracleLinux 9 : bind-9.16.23-40.el9_8.2 (AXSA:2026-1302:07)

The remote MiracleLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2026-1302:07 advisory. bind: BIND 9 server memory exhaustion during GSS-API TKEY negotiation CVE-2026-3039 bind: BIND: Denial of Service via specially crafted DNS messages...

AlmaLinux 9 : bind9.18 (ALSA-2026:24368)

The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:24368 advisory. bind: BIND 9 server memory exhaustion during GSS-API TKEY negotiation CVE-2026-3039 bind: BIND: Denial of Service via specially crafted DNS messages...

The vulnerability of the GSS-API token processing module of the TKEY authentication mechanism’s DNS server BIND allows a perpetrator to cause a service failure.

The vulnerability of the GSS-API token processing module of the TKEY authentication mechanism’s DNS server BIND relates to the absence of a reference to an active, allocated resource. Exploiting this vulnerability can allow a malicious actor to cause service failures...

SUSE SLES15 Security Update : bind (SUSE-SU-2026:2616-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:2616-1 advisory. - CVE-2026-3592: Amplification vulnerabilities via self-pointed glue records bsc1265592. - CVE-2026-3039: BIND 9 server memory...

Security update for bind

This update for bind fixes the following issues: CVE-2026-3592: Amplification vulnerabilities via self-pointed glue records bsc1265592. CVE-2026-3039: BIND 9 server memory exhaustion during GSS-API TKEY negotiation bsc1265591. CVE-2026-5946: Invalid handling of CLASS != IN bsc1265594. Patch...

SUSE-SU-2026:2617-1 Security update for bind

This update for bind fixes the following issues: - CVE-2026-3592: Amplification vulnerabilities via self-pointed glue records bsc1265592. - CVE-2026-3039: BIND 9 server memory exhaustion during GSS-API TKEY negotiation bsc1265591. - CVE-2026-5946: Invalid handling of CLASS != IN bsc1265594...

Security update for bind

This update for bind fixes the following issues: CVE-2026-3592: Amplification vulnerabilities via self-pointed glue records bsc1265592. CVE-2026-3039: BIND 9 server memory exhaustion during GSS-API TKEY negotiation bsc1265591. CVE-2026-5946: Invalid handling of CLASS != IN bsc1265594. Patch...

SUSE-SU-2026:2616-1 Security update for bind

This update for bind fixes the following issues: - CVE-2026-3592: Amplification vulnerabilities via self-pointed glue records bsc1265592. - CVE-2026-3039: BIND 9 server memory exhaustion during GSS-API TKEY negotiation bsc1265591. - CVE-2026-5946: Invalid handling of CLASS != IN bsc1265594...