bind9: bind: Potential wildcard CNAME RPZ policy bypass

A flaw was found in BIND 9, a widely used Domain Name System DNS software. A remote attacker could exploit this by sending specially crafted, excessively long DNS queries. This could bypass Response Policy Zone RPZ rules, which are designed to block access to malicious domains, and potentially...

bind security update

An update is available for bind. This update affects Rocky Linux 10. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The Berkeley Internet Name Domain BIND is an implementation of the Domain Name...

Important: Red Hat Security Advisory: bind security update

An update for bind is now available for Red Hat Enterprise Linux 10. 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...

bind9: bind: Potential wildcard CNAME RPZ policy bypass

A flaw was found in BIND 9, a widely used Domain Name System DNS software. A remote attacker could exploit this by sending specially crafted, excessively long DNS queries. This could bypass Response Policy Zone RPZ rules, which are designed to block access to malicious domains, and potentially...

Important: bind9.18 security update

BIND Berkeley Internet Name Domain is an implementation of the DNS Domain Name System protocols. BIND includes a DNS server named, which resolves host names to IP addresses; a resolver library routines for applications to use when interfacing with DNS; and tools for verifying that the DNS server ...

bind9: bind: Potential wildcard CNAME RPZ policy bypass

A flaw was found in BIND 9, a widely used Domain Name System DNS software. A remote attacker could exploit this by sending specially crafted, excessively long DNS queries. This could bypass Response Policy Zone RPZ rules, which are designed to block access to malicious domains, and potentially...

SUSE SLES15 Security Update : bind (SUSE-SU-2026:3476-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:3476-1 advisory. This update for bind fixes the following issues - CVE-2026-10723: Incorrect acceptance of NSEC3 records bsc1271982. - CVE-2026-1133...

Security update for bind

This update for bind fixes the following issues CVE-2026-10723: incorrect acceptance of NSEC3 records bsc1271982. CVE-2026-11331: potential wildcard CNAME RPZ policy bypass bsc1271984. CVE-2026-11622: potential memory usage beyond configured limits bsc1271986. CVE-2026-11721: cache poisoning...

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...

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...

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...

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...

CVE-2026-11331 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...

EUVD-2026-47706

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...

PowerDNS Recursor -- multiple vulnerabilities

PowerDNS Team reports: CVE-2026-52688: RRSIGs with too few labels can lead to bypass of DNSSEC wildcard validation CVE-2026-52686: Wildcard CNAME proof validation bypass¶...

PT-2026-63414

Name of the Vulnerable Software and Affected Versions BIND 9 versions 9.16.0 through 9.18.50 BIND 9 versions 9.20.0 through 9.20.24 BIND 9 versions 9.21.0 through 9.21.23 BIND 9 versions 9.16.8-S1 through 9.18.50-S1 BIND 9 versions 9.20.9-S1 through 9.20.24-S1 Description An attacker can craft...