CVE-2026-12244

If NSD is configured as secondary for a zone, the primary of that zone can crash NSD with an AXFR containing a DNS message with a special crafted SVCB RR with an rdata size of 65512, that let's an uint16t variable that is used to allocate space needed for the RR wrap because total size 65535,...

PT-2026-52209

Name of the Vulnerable Software and Affected Versions NSD affected versions not specified Description A heap overflow occurs when NSD is configured as a secondary for a zone. A primary server can crash the system by sending an AXFR containing a DNS message with a specially crafted SVCB RR Resourc...