EUVD-2026-47930

RRSIGs with too few labels can lead to bypass of DNSSEC wildcard validation...

CVE-2026-11605

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...

CVE-2026-11605 Unnecessary validation of DNSSEC signed records

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...

CVE-2026-11605 Unnecessary validation of DNSSEC signed records

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...

PT-2026-63392

In NLnet Labs Unbound up to and including version 1.25.1, when the validator builds the canonical RDATA form for an RRSIG-covered PX/RP/MINFO/SOA RRset, it computes the address of the second embedded domain name as 'datstart + dname validdatstart, ...' and passes it straight to 'query dname...

CVE-2026-45557

Technitium DNS Server aggressively tries to fetch missing RRSIG records or mismatched DNSKEY records. An attacker in control of a domain can cause a vulnerable system to generate excessive network traffic. Fixed in 15.0...

UBUNTU-CVE-2023-50387

Certain DNSSEC aspects of the DNS protocol in RFC 4033, 4034, 4035, 6840, and related RFCs allow remote attackers to cause a denial of service CPU consumption via one or more DNSSEC responses, aka the "KeyTrap" issue. One of the concerns is that, when there is a zone with many DNSKEY and RRSIG...

ISC BIND 9.x < 9.9.8-P4 / 9.9.8-S6 / 9.9.9-S3 / 9.10.3-P4 Multiple DoS

Binary data 9872.prm...

MGASA-2016-0107 Updated bind packages fix security vulnerability

In ISC BIND before 9.10.3-P4, an error parsing input received by the rndc control channel can cause an assertion failure in sexpr.c or alist.c CVE-2016-1285. In ISC BIND before 9.10.3-P4, a problem parsing resource record signatures for DNAME resource records can lead to an assertion failure in...