CVE-2026-47691
netty netty, Cryostat 4 on RHEL 9, Red Hat Build of Apache Camel 3.33 for Quarkus 3.33.2.SP1 취약점
Netty is a network application framework for development of protocol servers and clients. Prior to versions 4.1.135.Final and 4.2.15.Final, Netty's `DnsResolveContext` insufficiently validates the bailiwick of NS records, enabling DNS Cache Poisoning. An attacker controlling an authoritative name server for a subdomain can poison the cache for parent domains (like `.co.uk`). In `io.netty.resolver.dns.DnsResolveContext.AuthoritativeNameServerList#add` method accepts any NS record from the AUTHORITY section as long as the record's name is a suffix of the questionName. Subsequently, the `handl...
- 대응 우선순위
- 점검
- CVSS
- 10
- EPSS
- 0.32% 백분위 24.2% · 2026.08.02 기준
- CISA KEV
- 미등록
- 조치 기한
- -
- 공개일
- 2026.06.13