CVE-2026-56416

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 + dnamevaliddatstart, ...' and passes it straight to 'querydnametolower'...

EUVD-2026-47670

In NLnet Labs Unbound 1.6.0 up to and including 1.25.1, a replay of a wildcard rrset as another piece of data, could be briefly considered DNSSEC secure based only on the RRSIG validation and stored into cache, before later validation treats it as bogus based on NSEC validation. When the resolvin...

CVE-2026-46582

In NLnet Labs Unbound 1.6.0 up to and including 1.25.1, a replay of a wildcard rrset as another piece of data, could be briefly considered DNSSEC secure based only on the RRSIG validation and stored into cache, before later validation treats it as bogus based on NSEC validation. When the resolvin...

PT-2026-63378

In NLnet Labs Unbound 1.6.0 up to and including 1.25.1, a replay of a wildcard rrset as another piece of data, could be briefly considered DNSSEC secure based only on the RRSIG validation and stored into cache, before later validation treats it as bogus based on NSEC validation. When the resolvin...

JLSEC-2026-272

Issue summary: An uncommon configuration of clients performing DANE TLSA-based server authentication, when paired with uncommon server DANE TLSA records, may result in a use-after-free and/or double-free on the client side. Impact summary: A use after free can have a range of potential consequenc...

EulerOS Virtualization 2.12.1 : unbound (EulerOS-SA-2026-1467)

According to the versions of the unbound packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : NLnet Labs Unbound up to and including version 1.24.1 is vulnerable to possible domain hijack attacks. Promiscuous NS RRSets that...

EulerOS Virtualization 2.10.0 : unbound (EulerOS-SA-2026-1201)

According to the versions of the unbound packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : NLnet Labs Unbound up to and including version 1.24.0 is vulnerable to possible domain hijack attacks. Promiscuous NS RRSets that...

Fedora 43 : bind9-next (2025-b68f7f541d)

The remote Fedora 43 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2025-b68f7f541d advisory. Update to 9.21.14 rhbz2394406 Security Fixes: - DNSSEC validation fails if matching but invalid DNSKEY is found. CVE-2025-8677 - Address various...

[SECURITY] [DLA 4365-1] unbound security update

Debian LTS Advisory DLA-4365-1 [email protected] https://www.debian.org/lts/security/ Guilhem Moulin November 05, 2025 https://wiki.debian.org/LTS Package : unbound Version : 1.13.1-1+deb11u6 CVE ID : CVE-2025-11411 Yuxiao Wu, Yunyi Zhang, Baojun Liu and Haixin Duan discovered that...

The vulnerability of the verify_dnskey_rrset() function in the Hickory DNS client (formerly Trust-DNS) allows a attacker to circumvent security restrictions and gain unauthorized access to protected information.

The vulnerability of the verifydnskeyrrset function in the Hickory DNS client formerly Trust-DNS is related to insufficient verification of data authenticity. Exploiting this vulnerability allows a malicious actor to bypass security restrictions and gain unauthorized access to protected informati...

Hickory DNS failure to verify self-signed RRSIG for DNSKEYs

Summary The DNSSEC validation routines treat entire RRsets of DNSKEY records as trusted once they have established trust in only one of the DNSKEYs. As a result, if a zone includes a DNSKEY with a public key that matches a configured trust anchor, all keys in that zone will be trusted to...

PT-2025-6140 · Crates.Io · Hickory-Proto

Name of the Vulnerable Software and Affected Versions: No specific software or versions are mentioned in the provided description. Description: The issue concerns DNSSEC validation routines, which treat entire RRsets of DNSKEY records as trusted once they have established trust in only one of the...

NLnet Unbound 安全漏洞

NLnet Unbound is an open source DNS server from the Dutch NLnet team. A security vulnerability exists in NLnet Unbound version 1.21.0 and earlier, which stems from a name compression operation that needs to be performed when processing replies containing very large RRsets, which could result in a...

Debian dsa-5734 : bind9 - security update

The remote Debian 11 / 12 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-5734 advisory. - ------------------------------------------------------------------------- Debian Security Advisory DSA-5734-1 [email protected]...

bind: named's configured cache size limit can be significantly exceeded

A vulnerability was found in BIND. The effectiveness of the cache-cleaning algorithm used in named can be severely diminished by querying the resolver for specific RRsets in a certain order, effectively allowing the configured max-cache-size limit to exceed significantly...

bind: named's configured cache size limit can be significantly exceeded

A vulnerability was found in BIND. The effectiveness of the cache-cleaning algorithm used in named can be severely diminished by querying the resolver for specific RRsets in a certain order, effectively allowing the configured max-cache-size limit to exceed significantly...

PT-2023-6785 · Isc +12 · Bind 9 +12

Name of the Vulnerable Software and Affected Versions: BIND 9 versions 9.11.0 through 9.16.41 BIND 9 versions 9.18.0 through 9.18.15 BIND 9 versions 9.19.0 through 9.19.13 BIND 9 versions 9.11.3-S1 through 9.16.41-S1 BIND 9 versions 9.18.11-S1 through 9.18.15-S1 Description: The effectiveness of...

DNS wire format AND DNS label-sequence format ARE USED INTERCHANGABLY TO REPRESENT DOMAIN NAMES DURING RRSet VALIDATION

Lines of code Vulnerability details Impact @param name The name to claim, in DNS wire format. above format is used in DNSRegistrar.proveAndClaim and DNSRegistrar.proveAndClaimWithResolver functions @param name The name of the RRSIG record, in DNS label-sequence format. above format is used in...

verifySignatureWithKey - RRSIG RR's Signer's Name is never checked if it matches owner name

Lines of code Vulnerability details Impact According to RFC 4035 and as mentioned in the comments in function "verifySignatureWithKey" , the Signer's name should also be checked if it matches the owner name. If the Signer's Name field of an RRSIG record does not match the owner name of a DNSKEY...

SUSE CVE-2010-3614

named in ISC BIND 9.x before 9.6.2-P3, 9.7.x before 9.7.2-P3, 9.4-ESV before 9.4-ESV-R4, and 9.6-ESV before 9.6-ESV-R3 does not properly determine the security status of an NS RRset during a DNSKEY algorithm rollover, which might allow remote attackers to cause a denial of service DNSSEC validati...