UBUNTU-CVE-2026-6949

TSIG packet with name compression can crash DNS. Incorrect size calculations when a TSIG record contains compressed names can lead to a large out-of-bounds write causing the server to crash...

resolv: Denial of Service in resolv gem

A denial of service flaw was found in resolv ruby gem. This flaw allows an attacker to craft a malicious DNS packet containing a highly compressed domain name. When the resolv library parses this packet, the name decompression process consumes a large amount of CPU resources, as the library does...

SUSE CVE-2025-24294

The attack vector is a potential Denial of Service DoS. The vulnerability is caused by an insufficient check on the length of a decompressed domain name within a DNS packet. An attacker can craft a malicious DNS packet containing a highly compressed domain name. When the resolv library parses suc...

unbound: assertion failure via a compressed name in dname_pkt_copy

A flaw was found in unbound. A reachable assertion in the dnamepktcopy function can be triggered through compressed names. The highest threat from this vulnerability is to service availability...

unbound: assertion failure via a compressed name in dname_pkt_copy

A flaw was found in unbound. A reachable assertion in the dnamepktcopy function can be triggered through compressed names. The highest threat from this vulnerability is to service availability...

CVE-2019-25041

A flaw was found in unbound. A reachable assertion in the dnamepktcopy function can be triggered through compressed names. The highest threat from this vulnerability is to service availability...