EUVD-2026-15406

If a BIND resolver is performing DNSSEC validation and encounters a maliciously crafted zone, the resolver may consume excessive CPU. Authoritative-only servers are generally unaffected, although there are circumstances where authoritative servers may make recursive queries see:...

UBUNTU-CVE-2026-1519

If a BIND resolver is performing DNSSEC validation and encounters a maliciously crafted zone, the resolver may consume excessive CPU. Authoritative-only servers are generally unaffected, although there are circumstances where authoritative servers may make recursive queries see:...

PT-2026-27770

Name of the Vulnerable Software and Affected Versions BIND versions 9.11.0 through 9.16.50 BIND versions 9.18.0 through 9.18.46 BIND versions 9.20.0 through 9.20.20 BIND versions 9.21.0 through 9.21.19 BIND versions 9.11.3-S1 through 9.16.50-S1 BIND versions 9.18.11-S1 through 9.18.46-S1 BIND...

DNSSECImpl.verifySignature compares strings incorrectly, allowing malicious zones to forge DNSSEC trust chain

Lines of code Vulnerability details Impact DNSSEC allows parent zones to sign for its child zones. To check validity of a signature, RFC4034 3.1.7 requires the Signer's Name in any RRSIG RDATA to contain the zone of covered RRset. This requirement is reasonable since any child zone should be...