UbuntuUpdates.org

Bugs fixes in "bind9"

Origin Bug number Title Date fixed
CVE CVE-2026-80274 If a BIND resolver sends a query for a DNSSEC-signed authoritative zone, and the authoritative server replies with a valid wildcard answer and signed 2026-10-14
CVE CVE-2026-77119 A validly signed NSEC3 from an unrelated sibling zone may be accepted as an insecurity proof, downgrading a secure delegation and letting a forged un 2026-10-14
CVE CVE-2026-81563 A BIND resolver encountering an SVCB/HTTPS AliasMode record referencing 14 or more SVCB/HTTPS ServiceMode records may fail to properly deallocate int 2026-10-14
CVE CVE-2026-78301 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 2026-10-14
CVE CVE-2026-77692 An attacker can cause `named` to abort by sending a crafted DNS-over-HTTPS request with a cryptographically invalid SIG(0) record, and then closing t 2026-10-14
CVE CVE-2026-19941 An inapplicable NSEC record may be accepted by a `named` resolver as proof that no wildcard exists, which could allow an attacker at the same or an u 2026-10-14
CVE CVE-2026-19033 For a secondary zone with transfers restricted by TSIG, `named` may start to serve the data provided in a zone transfer before the final message with 2026-10-14
CVE CVE-2026-76163 If BIND is loaded with a "`named.conf`" file that contains no global "`options`" block, an attacker can send a query of QTYPE TKEY which may cause an 2026-10-14
CVE CVE-2026-19666 On a resolver configured to use ``dns64``, if an applicable answer from the authoritative server is malformed in a specific way, the resolver `named` 2026-10-14
CVE CVE-2026-19668 A BIND recursive resolver may experience excessive resource consumption if it encounters large numbers of a particular kind of invalid DNSSEC record. 2026-10-14
CVE CVE-2026-19662 An attacker may be able to cause a `named` resolver to abort. The attack requires inducing the victim resolver to send multiple queries for a DNSSEC- 2026-10-14
CVE CVE-2026-75029 In a query response, an attacker may send `named` multiple copies of a record that should only exist once (such as an SOA record). If the RDATA is th 2026-10-14
CVE CVE-2026-13204 If a provably insecure domain is covered by both an NSEC and NSEC3 record at the parent, and there exist an RRSIG for only one of these types, then B 2026-09-01
CVE CVE-2026-13204 If a provably insecure domain is covered by both an NSEC and NSEC3 record at the parent, and there exist an RRSIG for only one of these types, then B 2026-09-01
CVE CVE-2026-13204 If a provably insecure domain is covered by both an NSEC and NSEC3 record at the parent, and there exist an RRSIG for only one of these types, then B 2026-09-01
CVE CVE-2026-13204 If a provably insecure domain is covered by both an NSEC and NSEC3 record at the parent, and there exist an RRSIG for only one of these types, then B 2026-09-01
CVE CVE-2026-13204 If a provably insecure domain is covered by both an NSEC and NSEC3 record at the parent, and there exist an RRSIG for only one of these types, then B 2026-09-01
CVE CVE-2026-13204 If a provably insecure domain is covered by both an NSEC and NSEC3 record at the parent, and there exist an RRSIG for only one of these types, then B 2026-09-01
CVE CVE-2026-13204 If a provably insecure domain is covered by both an NSEC and NSEC3 record at the parent, and there exist an RRSIG for only one of these types, then B 2026-09-01
CVE CVE-2026-13204 If a provably insecure domain is covered by both an NSEC and NSEC3 record at the parent, and there exist an RRSIG for only one of these types, then B 2026-09-01



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