Important: Red Hat Security Advisory: ldns security update

An update for ldns is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

ldns: ldns: Off-path poisoning attacks due to insufficient query-response matching

A flaw was found in ldns. When applications use ldns as a resolver over User Datagram Protocol UDP, it fails to properly match the query's destination address and port with the response's source address and port. Additionally, the query ID and question are not matched with the response. This...

SUSE SLES15 Security Update : bind (SUSE-SU-2026:3452-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:3452-1 advisory. - CVE-2026-10723: accepting incorrect child-zone NSEC3 records as valid can allow an attacker to forge authenticated NXDOMAIN...

Security update for bind

This update for bind fixes the following issues CVE-2026-10723: incorrect acceptance of NSEC3 records bsc1271982. CVE-2026-11331: potential wildcard CNAME RPZ policy bypass bsc1271984. CVE-2026-11622: potential memory usage beyond configured limits bsc1271986. CVE-2026-11721: cache poisoning...

SUSE-SU-2026:3476-1 Security update for bind

This update for bind fixes the following issues - CVE-2026-10723: Incorrect acceptance of NSEC3 records bsc1271982. - CVE-2026-11331: Potential wildcard CNAME RPZ policy bypass bsc1271984. - CVE-2026-11622: Potential memory usage beyond configured limits bsc1271986. - CVE-2026-11721: Cache...

Security update for bind

This update for bind fixes the following issues: CVE-2026-10723: accepting incorrect child-zone NSEC3 records as valid can allow an attacker to forge authenticated NXDOMAIN responses for sibling zones bsc1271982. CVE-2026-10822: storing a DNS key record with an invalid PRIVATEDNS algorithm...

openSUSE 16: bind / bind-modules-bdbhpt / bind-modules-generic / etc (openSUSE-SU-2026:21489-1)

The remote openSUSE 16 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:21489-1 advisory. This update for bind fixes the following issues - Upgrade to release 9.20.26 - CVE-2026-10723: Incorrect acceptance of NSEC3 records bsc1271982....

SUSE SLED15 / SLES15 Security Update : bind (SUSE-SU-2026:3426-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:3426-1 advisory. Upgrade to release 9.20.26. Security issues fixed: - CVE-2026-10723: incorrect acceptance of NSEC3 records...

CVE-2026-46582

A flaw was found in Unbound, a Domain Name System DNS resolver. A remote attacker can exploit a vulnerability in how Unbound handles expired DNSSEC DNS Security Extensions records. By injecting a replayed wildcard record set, an attacker can cause Unbound to temporarily consider it secure, leadin...

Security update for bind

This update for bind fixes the following issues: Upgrade to release 9.20.26. Security issues fixed: CVE-2026-10723: incorrect acceptance of NSEC3 records bsc1271982. CVE-2026-10822: key record using PRIVATEDNS algorithm may lead to unexpected exit bsc1271983. CVE-2026-11331: potential wildcard...

SUSE-SU-2026:3426-1 Security update for bind

This update for bind fixes the following issues: Upgrade to release 9.20.26. Security issues fixed: - CVE-2026-10723: incorrect acceptance of NSEC3 records bsc1271982. - CVE-2026-10822: key record using PRIVATEDNS algorithm may lead to unexpected exit bsc1271983. - CVE-2026-11331: potential...

CVE-2026-52686

A flaw was found in pdns-recursor. This vulnerability allows a remote attacker to bypass DNSSEC Domain Name System Security Extensions validation. The flaw occurs because the system accepts wildcard expansion proofs NSEC/NSEC3 records without proper signature validation when the wildcard answer i...

Unexpected exit in certain situations with NSEC and NSEC3 both present

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Linux Distros Unpatched Vulnerability : CVE-2026-44687

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In NLnet Labs Unbound 1.13.2 up to and including 1.25.1, stub or forward zones where the name is below an intermediate labed below a DNSSEC signed zone could be...

SUSE CVE-2026-52686

The issue is a DNSSEC validation bypass where wildcard expansion proofs NSEC/NSEC3 records are accepted without signature validation when the wildcard answer is a CNAME or DNAME record...

CVE-2026-56416

A vulnerability in Unbound allows remote attackers using malicious DNSSEC-signed servers to send malformed records that trigger a heap buffer overflow. This can cause a denial of service or potential limited information disclosure. Mitigation To mitigate this issue, consider disabling DNSSEC...

'response-ip'/'rpz' can rewrite BOGUS answers instead of returning SERVFAIL

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CVE-2026-52688

Technical details for CVE-2026-52688 are not publicly available in the provided documents; monitor for updates.

CVE-2026-52686 Wildcard CNAME proof validation bypass

The issue is a DNSSEC validation bypass where wildcard expansion proofs NSEC/NSEC3 records are accepted without signature validation when the wildcard answer is a CNAME or DNAME record...

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...