CVE-2026-30872 OpenWrt Project has a Stack-based Buffer Overflow vulnerability via IPv6 reverse DNS lookup

OpenWrt Project is a Linux operating system targeting embedded devices. In versions prior to 24.10.6 and 25.12.1, the mdns daemon has a Stack-based Buffer Overflow vulnerability in the matchipv6addresses function, triggered when processing PTR queries for IPv6 reverse DNS domains .ip6.arpa receiv...

EUVD-2026-13247

OpenWrt Project is a Linux operating system targeting embedded devices. In versions prior to 24.10.6 and 25.12.1, the mdns daemon has a Stack-based Buffer Overflow vulnerability in the parsequestion function. The issue is triggered by PTR queries for reverse DNS domains .in-addr.arpa and .ip6.arp...

bind9: Querying RFC 1918 reverse zones may cause an assertion failure when “nxdomain-redirect” is enabled

A flaw was found in the bind package which may result in a Denial of Service in named process. This is a result of a reachable assertion, leading named to prematurely terminate when both conditions are met: nxdomain-redirect for the queried domain is configured and the resolver receives a PTR...

bind9: Querying RFC 1918 reverse zones may cause an assertion failure when “nxdomain-redirect” is enabled

A flaw was found in the bind package which may result in a Denial of Service in named process. This is a result of a reachable assertion, leading named to prematurely terminate when both conditions are met: nxdomain-redirect for the queried domain is configured and the resolver receives a PTR...

bind9: Querying RFC 1918 reverse zones may cause an assertion failure when “nxdomain-redirect” is enabled

A flaw was found in the bind package which may result in a Denial of Service in named process. This is a result of a reachable assertion, leading named to prematurely terminate when both conditions are met: nxdomain-redirect for the queried domain is configured and the resolver receives a PTR...

USN-6633-1 bind9 vulnerabilities

Shoham Danino, Anat Bremler-Barr, Yehuda Afek, and Yuval Shavitt discovered that Bind incorrectly handled parsing large DNS messages. A remote attacker could possibly use this issue to cause Bind to consume resources, leading to a denial of service. CVE-2023-4408 Elias Heftrig, Haya Schulmann,...