OPENSUSE-SU-2026:21489-1 Security update for bind

This update for bind fixes the following issues - Upgrade to release 9.20.26 - CVE-2026-10723: Incorrect acceptance of NSEC3 records bsc1271982. - CVE-2026-10822: Key Record using PRIVATEDNS algorithm may lead to unexpected exit bsc1271983. - CVE-2026-11331: Potential wildcard CNAME RPZ policy...

Important: Red Hat Security Advisory: Red Hat build of Cryostat security update

An update is now available for the Red Hat build of Cryostat 4 on RHEL 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 fro...

CVE-2026-52686

A flaw was found in pdns-recursor. This vulnerability allows a remote attacker to bypass DNSSEC Domain Name System Security Extensions validation. The flaw occurs because the system accepts wildcard expansion proofs NSEC/NSEC3 records without proper signature validation when the wildcard answer i...

SUSE CVE-2026-11331

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...

SUSE CVE-2026-12617

The issue is unexpected program termination based on ordering and/or specific content in responses to queries for CNAME or DNAME, and A records. Specifically, if a client queries for a DNAME and A record below the DNAME to the resolver, and the authoritative server responds positively to the A...

SUSE CVE-2026-55717

In NLnet Labs Unbound 1.10.0 up to and including 1.25.1, when 'serve-expired: yes' is set together with a 'response-ip: redirect' /'response-ip-data: CNAME ' rule or the RPZ 'rpz-cname-override' equivalent, a remote client who controls any delegated domain can crash the daemon. The...

Linux Distros Unpatched Vulnerability : CVE-2026-55717

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In NLnet Labs Unbound 1.10.0 up to and including 1.25.1, when 'serve-expired: yes' is set together with a 'response-ip: redirect' /'response-ip-data: CNAME ' ru...

Linux Distros Unpatched Vulnerability : CVE-2026-11331

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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 conditio...

SUSE CVE-2026-52686

The issue is a DNSSEC validation bypass where wildcard expansion proofs NSEC/NSEC3 records are accepted without signature validation when the wildcard answer is a CNAME or DNAME record...

'serve-expired-client-timeout' and 'response-ip' CNAME redirect could lead to a crash

...

EUVD-2026-47931

The issue is a DNSSEC validation bypass where wildcard expansion proofs NSEC/NSEC3 records are accepted without signature validation when the wildcard answer is a CNAME or DNAME record...

CVE-2026-52686 Wildcard CNAME proof validation bypass

The issue is a DNSSEC validation bypass where wildcard expansion proofs NSEC/NSEC3 records are accepted without signature validation when the wildcard answer is a CNAME or DNAME record...

Alibaba Cloud Linux 3 : 0220: git-lfs (ALINUX3-SA-2026:0220)

The remote Alibaba Cloud Linux 3 host has packages installed that are affected by a vulnerability as referenced in the ALINUX3-SA-2026:0220 advisory. Package updates are available for Alibaba Cloud Linux 3 that fix the following vulnerabilities: CVE-2026-33811: When using LookupCNAME with the cgo...

CVE-2026-12617

The issue is unexpected program termination based on ordering and/or specific content in responses to queries for CNAME or DNAME, and A records. Specifically, if a client queries for a DNAME and A record below the DNAME to the resolver, and the authoritative server responds positively to the A...

ALPINE-CVE-2026-11331

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...

ALPINE-CVE-2026-12617

The issue is unexpected program termination based on ordering and/or specific content in responses to queries for CNAME or DNAME, and A records. Specifically, if a client queries for a DNAME and A record below the DNAME to the resolver, and the authoritative server responds positively to the A...

AZL-93138 CVE-2026-12617 affecting package bind for versions less than 9.20.26-1

The issue is unexpected program termination based on ordering and/or specific content in responses to queries for CNAME or DNAME, and A records. Specifically, if a client queries for a DNAME and A record below the DNAME to the resolver, and the authoritative server responds positively to the A...

CVE-2026-12617

The issue is unexpected program termination based on ordering and/or specific content in responses to queries for CNAME or DNAME, and A records. Specifically, if a client queries for a DNAME and A record below the DNAME to the resolver, and the authoritative server responds positively to the A...

CVE-2026-11331

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...

ALPINE-CVE-2026-55717

In NLnet Labs Unbound 1.10.0 up to and including 1.25.1, when 'serve-expired: yes' is set together with a 'response-ip: redirect' /'response-ip-data: CNAME ' rule or the RPZ 'rpz-cname-override' equivalent, a remote client who controls any delegated domain can crash the daemon. The...