CVE-2026-11721

It is possible for an attacker's zone to respond to a query with an RRSIG that has a smaller number of labels than the zone in which the RRSIG is contained. This causes named to produce a wildcard name for a zone that is shorter than the attacker's zone, which can result in cache poisoning. For...

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...

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...

PT-2026-63414

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...

[SECURITY] Fedora 43 Update: bind9-next-9.21.22-2.fc43

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 ...

[SECURITY] Fedora 44 Update: bind9-next-9.21.22-2.fc44

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 ...

Exploit for Unchecked Input for Loop Condition in Isc Bind

CVE-2026-5950 - BIND 9 Resolver DoS Research notes and defens...

Fedora 44 : bind9-next (2026-dbb0776ac5)

The remote Fedora 44 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-dbb0776ac5 advisory. Update to 9.21.22 rhbz2480122 Security Fixes: - Limit resolver server list size. CVE-2026-3592 - Fix GSS-API resource leak. CVE-2026-3039 - Disable...

RHSA-2026:25171 Red Hat Security Advisory: bind9.16 security update

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RHSA-2026:25083 Red Hat Security Advisory: bind9.16 security update

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Important: Red Hat Security Advisory: bind9.16 security update

An update for bind9.16 is now available for Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On. Red Hat Product Security has rated this update as having a security impact of Important. A Common...

RockyLinux 9 : bind9.18 (RLSA-2026:24368)

The remote RockyLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-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...

RHEL 9 : bind9.18 (RHSA-2026:24934)

"The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:24934 advisory. BIND Berkeley Internet Name Domain is an implementation of the DNS Domain Name System protocols. BIND includes a DNS server named, which resolves...

RHSA-2026:24368 Red Hat Security Advisory: bind9.18 security update

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Important: Red Hat Security Advisory: bind9.18 security update

An update for bind9.18 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...

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,...

RHEL 9 : bind9.18 (RHSA-2026:24368)

"The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:24368 advisory. BIND Berkeley Internet Name Domain is an implementation of the DNS Domain Name System protocols. BIND includes a DNS server named, which...

bind9.16 security update

An update is available for bind9.16. This update affects Rocky Linux 8. 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 Na...

RockyLinux 8 : bind9.16 (RLSA-2026:23360)

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:23360 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...

RHEL 8 : bind9.16 (RHSA-2026:23360)

"The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:23360 advisory. The Berkeley Internet Name Domain BIND is an implementation of the Domain Name System DNS protocols. BIND includes a DNS server named...