점검 대응높음KEV 미등록
CVE-2026-12244
NLnet Labs NSD, nsd 취약점
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 (uint16_t) variable that is used to allocate space needed for the RR wrap (because total size > 65535), causing a heap overflow. The attacker can perform a controlled (RCE class) head write of up to 65509 bytes
- 대응 우선순위
- 점검
- CVSS
- 8.7
- EPSS
- 0.33% 백분위 25.1% · 2026.08.03 기준
- CISA KEV
- 미등록
- 조치 기한
- -
- 공개일
- 2026.06.25