bind9: bind: Potential wildcard CNAME RPZ policy bypass

An attacker who knows or guesses that a resolver uses RPZ with wildcard CNAME policies can craft query names long enough to trigger a NAMETOOLONG error condition during RPZ processing. This is not handled correctly and may lead to defeating the RPZ rule. It also may lead to an unexpected exit of...

Important: Red Hat Security Advisory: bind security update

An update for bind 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 the...

bind: bind9: DNSSEC Validation Bypass via Out-of-Zone NSEC Next Field

The BIND resolver accepts validly-signed NSEC records where the "Next Domain Name" field points outside the signer's zone...

bind: bind9: DNSSEC Validation Bypass via Out-of-Zone NSEC Next Field

The BIND resolver accepts validly-signed NSEC records where the "Next Domain Name" field points outside the signer's zone...

bind: bind9: Incorrect acceptance of NSEC3 records

BIND may accept incorrect child-zone NSEC3 records as valid, which could allow an attacker to forge authenticated NXDOMAIN responses...

bind9: bind: Potential wildcard CNAME RPZ policy bypass

An attacker who knows or guesses that a resolver uses RPZ with wildcard CNAME policies can craft query names long enough to trigger a NAMETOOLONG error condition during RPZ processing. This is not handled correctly and may lead to defeating the RPZ rule. It also may lead to an unexpected exit of...

Open WebUI 'LDAP Empty Password' - Authentication Bypass

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, the LDAP authentication endpoint does not validate that the submitted password is non-empty before performing a Simple Bind against the LDAP server. The LdapForm Pydantic model accep...

K000162883: BIND vulnerability CVE-2026-5950

Security Advisory Description An unbounded resend loop vulnerability exists in the BIND 9 resolver state machine during bad-server handling, enabling a remote unauthenticated attacker to cause severe resource exhaustion by sending queries that trigger specific retry conditions. This issue affects...

EUVD-2026-57236

Docker Sandboxes sbx applies the read-only intent of a runtime host mount to the in-guest container bind only: the underlying virtio-fs host-edge grant is added to the sandbox's policy-share allowlist with no access mode. The directory stays writable at its shared-export path, so unprivileged cod...

CVE-2026-73281

A flaw was found in OpenSSH's ssh-agent component. A misinteraction between agent locking and the [email protected] extension allows operations intended for local execution to be performed remotely. This could enable a remote attacker to add PKCS11 tokens or utilize keys with destination...

CVE-2026-18663

The CVE-2026-18663 entry concerns 389-ds-base. The get_ldapmessage_controls_ext() function frees the parsed controls array on the Session Tracking critical-control rejection path without clearing the SLAPI_REQCONTROLS pblock slot, leading to a double-free when teardown frees the same pointer agai...

CVE-2026-18663

A flaw was found in 389-ds-base. The getldapmessagecontrolsext function frees the parsed controls array on the Session Tracking critical-control rejection path without clearing the SLAPIREQCONTROLS pblock slot. Operation teardown then frees the same pointer again, causing a double-free. An...

EUVD-2026-57153

A flaw was found in 389-ds-base. The getldapmessagecontrolsext function frees the parsed controls array on the Session Tracking critical-control rejection path without clearing the SLAPIREQCONTROLS pblock slot. Operation teardown then frees the same pointer again, causing a double-free. An...

CVE-2026-18663 389-ds-base: 389-ds-base: pre-authentication double-free in get_ldapmessage_controls_ext() via critical session tracking control

A flaw was found in 389-ds-base. The getldapmessagecontrolsext function frees the parsed controls array on the Session Tracking critical-control rejection path without clearing the SLAPIREQCONTROLS pblock slot. Operation teardown then frees the same pointer again, causing a double-free. An...

CVE-2026-18663

A flaw was found in 389-ds-base. The getldapmessagecontrolsext function frees the parsed controls array on the Session Tracking critical-control rejection path without clearing the SLAPIREQCONTROLS pblock slot. Operation teardown then frees the same pointer again, causing a double-free. An...

bind: bind9: DNSSEC Validation Bypass via Out-of-Zone NSEC Next Field

The BIND resolver accepts validly-signed NSEC records where the "Next Domain Name" field points outside the signer's zone...

bind: bind9: Key Record using PRIVATEDNS algorithm may lead to exit

If BIND encounters a particular invalid data structure in a DNS record, it will accept the invalid data, and may subsequently abort and exit. BIND will first need to store a DNS record for a key KEY, DNSKEY, etc.. That key must specify a PRIVATEDNS algorithm 253, and in the algorithm identifier,...

Important: Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update

An update for Red Hat Hardened Images RPMs is now available. This update includes the following RPMs: bind: bind-9.20.26-0.1.hum1 aarch64, x8664 bind-chroot-9.20.26-0.1.hum1 aarch64, x8664 bind-devel-9.20.26-0.1.hum1 aarch64, x8664 bind-dnssec-utils-9.20.26-0.1.hum1 aarch64, x8664...

Linux Distros Unpatched Vulnerability : CVE-2026-18663

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A flaw was found in 389-ds-base. The getldapmessagecontrolsext function frees the parsed controls array on the Session Tracking critical-control rejection path...

CVE-2026-73281

In ssh-agent in OpenSSH before 10.5, some operations can occur remotely but were intended to occur only locally, including operations that add tokens or use keys. This is caused by misinteraction between agent locking and the [email protected] extension...