277 matches found
bind: BIND: Denial of Service via malformed DNS64 responses
A flaw was found in BIND. When a resolver is configured to use DNS64, a specially crafted, malformed answer from an authoritative server can cause the named process to exit unexpectedly. This can lead to a Denial of Service DoS for clients relying on the affected resolver...
CVE-2025-40778
CVE-2025-40778 Proof of Concept Educational demonstration of DNS Cache Poisoning vulnerability via Additional Records injection. ⚠️ Disclaimer FOR EDUCATIONAL PURPOSES ONLY This tool is provided for educational and authorized security testing purposes only. Unauthorized use of this tool against...
cve-2018-5740
CVE-2018-5740 PoC Named, which is received response from legimate authoritative server, is crashed by CVE-2018-5740. FILES named.conf: BIND configration file for authoritative server. example.com: zone file for authoritative server. named-full-resolver.conf: BIND configration file for victim...
AZL-103332 CVE-2026-78301 affecting package bind 9.20.26-1
A malformed zone may contain an NS or DNAME node above its origin, which named treats as a zone cut. If an attacker inserts a malformed zone into a BIND authoritative server e.g., via zone transfer, queries for names inside the configured zone then lose authoritative status and return an...
CVE-2026-19667
If an attacker-controlled authoritative server can produce a negative answer that is exactly 65536 bytes, then a flaw in named results in a negative cache entry of 0 bytes. When this entry is subsequently read, named aborts. This issue affects BIND 9 versions 9.11.0 through 9.18.50, 9.20.0 throug...
ALPINE-CVE-2026-19667
If an attacker-controlled authoritative server can produce a negative answer that is exactly 65536 bytes, then a flaw in named results in a negative cache entry of 0 bytes. When this entry is subsequently read, named aborts. This issue affects BIND 9 versions 9.11.0 through 9.18.50, 9.20.0 throug...
UBUNTU-CVE-2026-19667
If an attacker-controlled authoritative server can produce a negative answer that is exactly 65536 bytes, then a flaw in named results in a negative cache entry of 0 bytes. When this entry is subsequently read, named aborts. This issue affects BIND 9 versions 9.11.0 through 9.18.50, 9.20.0 throug...
CVE-2026-19667
If an attacker-controlled authoritative server can produce a negative answer that is exactly 65536 bytes, then a flaw in named results in a negative cache entry of 0 bytes. When this entry is subsequently read, named aborts. This issue affects BIND 9 versions 9.11.0 through 9.18.50, 9.20.0 throug...
CVE-2026-19667
If an attacker-controlled authoritative server can produce a negative answer that is exactly 65536 bytes, then a flaw in named results in a negative cache entry of 0 bytes. When this entry is subsequently read, named aborts. This issue affects BIND 9 versions 9.11.0 through 9.18.50, 9.20.0 throug...
bind: bind9: Record ordering based unexpected exit with CNAME or DNAME
The issue is unexpected program termination based on ordering and/or specific content in responses to queries for CNAME or DNAME, and A records. Specifically, if a client queries for a DNAME and A record below the DNAME to the resolver, and the authoritative server responds positively to the A...
[SECURITY] [DSA 6420-1] pdns security update
------------------------------------------------------------------------- Debian Security Advisory DSA-6420-1 [email protected] https://www.debian.org/security/ Salvatore Bonaccorso August 08, 2026 https://www.debian.org/security/faq -...
EUVD-2026-47707
The issue is a resource exhaustion vulnerability associated with DNSSEC validation. BIND always validates all RRSIG records in an answer, even if they are not strictly needed. A query to an authoritative server/zone which returns many valid but superfluous RRSIG records causes the validator to...
SUSE CVE-2026-42387
A malicious authoritative server can send a crafted zone via the ZoneToCache function that leads to a crash of the Recursor due to insuffcient input validation...
SUSE CVE-2026-52690
Spoofing replies to Recursor might mark an IP of an authoritative server as not supporting EDNS, causing valdiation of DNSSEC records served by that server to fail...
CVE-2026-33612
A malicious authoritative server can send a crafted zone via the ZoneToCache function that leads to cache poisoning...
SUSE CVE-2026-33612
A malicious authoritative server can send a crafted zone via the ZoneToCache function that leads to cache poisoning...
CVE-2026-52690
Spoofing replies to Recursor might mark an IP of an authoritative server as not supporting EDNS, causing valdiation of DNSSEC records served by that server to fail...
CVE-2026-42387
A malicious authoritative server can send a crafted zone via the ZoneToCache function that leads to a crash of the Recursor due to insuffcient input validation...