bind9: bind: BIND 9: Denial of Service via 16-bit length truncation in DNS negative cache handling

A flaw was found in bind9's named component. A remote attacker, by sending a specially crafted DNS negative answer of exactly 65536 bytes from an authoritative server, can cause a 16-bit length truncation. This results in a zero-byte negative cache entry. When named attempts to read this invalid...

RHEL 10 : bind (RHSA-2026:75577)

"The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:75577 advisory. The Berkeley Internet Name Domain BIND is an implementation of the Domain Name System DNS protocols. BIND includes a DNS server named...

[SECURITY] Fedora 45 Update: bind9-next-9.21.22-5.fc45

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 ...

Rocky Linux 8 [CIQ] Security Update: bind / bind-chroot / bind-debuginfo / bind-debugsource / bind-devel / etc Multiple Vulnerabilities (crlsa-2026_54654)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202654654 advisory. bind: bind9: DNSSEC Validation Bypass via Out-of-Zone NSEC Next Field CVE-2026-13321 bind: bind9: Potential memory usage beyond configured limits...

Rocky Linux 9 [CIQ] Security Update: bind9.18 / bind9.18-chroot / bind9.18-debuginfo / etc Multiple Vulnerabilities (crlsa-2026_55442)

The Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202655442 advisory. bind9: bind: Potential wildcard CNAME RPZ policy bypass CVE-2026-11331 bind: bind9: DNSSEC Validation Bypass via Out-of-Zone NSEC Next Field CVE-2026-1332...

Rocky Linux 8 [CIQ] Security Update: bind / bind-chroot / bind-debuginfo / bind-debugsource / bind-devel / etc Multiple Vulnerabilities (crlsa-2024_5524)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20245524 advisory. bind: bind9: BIND's database will be slow if a very large number of RRs exist at the same nam CVE-2024-1737 bind9: bind: SIG0 can be used to exhaust CPU...

Rocky Linux 8 [CIQ] Security Update: bind9.16 / bind9.16-chroot / bind9.16-debuginfo / etc Multiple Vulnerabilities (crlsa-2026_54509)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202654509 advisory. bind9: bind: Potential wildcard CNAME RPZ policy bypass CVE-2026-11331 bind: bind9: DNSSEC Validation Bypass via Out-of-Zone NSEC Next Field CVE-2026-1332...

Rocky Linux 9 [CIQ] Security Update: bind / bind-chroot / bind-debuginfo / bind-debugsource / bind-devel / etc Multiple Vulnerabilities (crlsa-2024_5231)

The Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20245231 advisory. bind: bind9: BIND's database will be slow if a very large number of RRs exist at the same nam CVE-2024-1737 bind9: bind: SIG0 can be used to exhaust CPU...

Rocky Linux 8 [CIQ] Security Update: bind9.16 / bind9.16-chroot / bind9.16-debuginfo / etc Multiple Vulnerabilities (crlsa-2024_5390)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20245390 advisory. bind: bind9: BIND's database will be slow if a very large number of RRs exist at the same nam CVE-2024-1737 bind9: bind: SIG0 can be used to exhaust CPU...

Rocky Linux 8 [CIQ] Security Update: bind9.16 / bind9.16-chroot / bind9.16-debuginfo / etc Multiple Vulnerabilities (crlsa-2024_1781)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20241781 advisory. bind9: Parsing large DNS messages may cause excessive CPU load CVE-2023-4408 bind9: Querying RFC 1918 reverse zones may cause an assertion failure when...

Rocky Linux 8 [CIQ] Security Update: bind / bind-chroot / bind-debuginfo / bind-debugsource / bind-devel / etc Multiple Vulnerabilities (crlsa-2024_1782)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20241782 advisory. bind9: Parsing large DNS messages may cause excessive CPU load CVE-2023-4408 bind9: KeyTrap - Extreme CPU consumption in DNSSEC validator CVE-2023-50387...

Rocky Linux 8 [CIQ] Security Update: bind / bind-chroot / bind-debuginfo / bind-debugsource / bind-devel / etc Multiple Vulnerabilities (crlsa-2024_3271)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20243271 advisory. bind9: Parsing large DNS messages may cause excessive CPU load CVE-2023-4408 bind9: KeyTrap - Extreme CPU consumption in DNSSEC validator CVE-2023-50387...

Rocky Linux 9 [CIQ] Security Update: bind9.18 / bind9.18-chroot / bind9.18-debuginfo / etc Multiple Vulnerabilities (crlsa-2025_1670)

The Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20251670 advisory. bind: bind9: Many records in the additional section cause CPU exhaustion CVE-2024-11187 bind: bind9: DNS-over-HTTPS implementation suffers from multiple...

Rocky Linux 8 [CIQ] Security Update: bind9.16 / bind9.16-chroot / bind9.16-debuginfo / etc (crlsa-2025_1676)

The Rocky Linux 8 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-20251676 advisory. bind: bind9: Many records in the additional section cause CPU exhaustion CVE-2024-11187 Tenable has extracted the preceding description block directly from the CIQ...

Rocky Linux 9 [CIQ] Security Update: bind / bind-chroot / bind-debuginfo / bind-debugsource / bind-devel / etc Multiple Vulnerabilities (crlsa-2026_54510)

The Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202654510 advisory. bind9: bind: Potential wildcard CNAME RPZ policy bypass CVE-2026-11331 bind: bind9: DNSSEC Validation Bypass via Out-of-Zone NSEC Next Field CVE-2026-1332...

Rocky Linux 10.2 [CIQ] Security Update: bind / bind-chroot / bind-debuginfo / bind-debugsource / bind-devel / etc Multiple Vulnerabilities (crlsa-2026_55437)

The Rocky Linux 10.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202655437 advisory. bind9: bind: Potential wildcard CNAME RPZ policy bypass CVE-2026-11331 bind: bind9: DNSSEC Validation Bypass via Out-of-Zone NSEC Next Field...

Security Bulletin: Impacted IBM Optim 1.0.0, 1.1.0 and 1.2.0 by vulnerabilities in aircompressor, libarchive, gstreamer1, LIBPNG, bind9, giflib, react-router, dompurify

Summary IBM Optim version 1.0.0, 1.1.0 and 1.2.0 depends on open-source packages aircompressor, libarchive, gstreamer1, LIBPNG, bind9, giflib, react-router, dompurify which are affected by medium, high and critical severity vulnerabilities. IBM Optim 2.0.0 resolves these vulnerabilities by...

[SECURITY] [DSA 6505-1] bind9 security update

------------------------------------------------------------------------- Debian Security Advisory DSA-6505-1 [email protected] https://www.debian.org/security/ Moritz Muehlenhoff September 17, 2026 https://www.debian.org/security/faq -...

Debian dsa-6505 : bind9 - security update

The remote Debian 13 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-6505 advisory. - ------------------------------------------------------------------------- Debian Security Advisory DSA-6505-1 [email protected] https://www.debian.org/securit...

CVE-2026-19667

A flaw was found in bind9's named component. A remote attacker, by sending a specially crafted DNS negative answer of exactly 65536 bytes from an authoritative server, can cause a 16-bit length truncation. This results in a zero-byte negative cache entry. When named attempts to read this invalid...