413 matches found
CentOS Linux 8 [TuxCare] Security Update: bind / bind-chroot / bind-devel / bind-export-devel / etc (CENTOS-STREAM8:CLSA-2026:1777452704)
The CentOS Linux 8 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS- STREAM8:CLSA-2026:1777452704 advisory. - If a BIND resolver is performing DNSSEC validation and encounters a maliciously crafted zone, the resolver may consume excessive CPU...
Rocky Linux 9 [CIQ] Security Update: bind9.18 / bind9.18-chroot / bind9.18-debuginfo / etc Multiple Vulnerabilities (crlsa-2026_55442)
The Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202655442 advisory. bind9: bind: Potential wildcard CNAME RPZ policy bypass CVE-2026-11331 bind: bind9: DNSSEC Validation Bypass via Out-of-Zone NSEC Next Field CVE-2026-1332...
CentOS Linux 7 [TuxCare] Security Update: dnsmasq / dnsmasq-utils Multiple Vulnerabilities (CENTOS7:CLSA-2026:1779294291)
The CentOS Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS7:CLSA-2026:1779294291 advisory. - A Denial of Service DoS vulnerability in the DNSSEC validation of dnsmasq allows remote attackers to cause a denial of service via a...
SUSE CVE-2026-81634
In NLnet Labs Unbound up to and including 1.26.0, a 255 length query name with a large TCP response can lead to a heap buffer overflow during the RRSet canonicalisation routine. This is caused by missing to add the first owner name into the buffer length check. A malicious actor operating a...
Debian dsa-6397 : pdns-recursor - security update
The remote Debian 13 host has a package installed that is affected by multiple vulnerabilities as referenced in the dsa-6397 advisory. - ------------------------------------------------------------------------- Debian Security Advisory DSA-6397-1 [email protected] https://www.debian.org/securit...
TencentOS Server 2: bind (TSSA-2026:1039)
The version of Tencent Linux installed on the remote TencentOS Server 2 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2026:1039 advisory. Package updates are available for TencentOS Server 2 that fix the following vulnerabilities:...
CVE-2026-93657 hickory-resolver before 0.26.2 DNSSEC Validation Bypass
hickory-resolver versions before 0.26.2 fail to propagate bogus DNSSEC proof states through the Resolver::lookup and Resolver::lookupip APIs, allowing invalid records to be returned as successful results. Attackers controlling the answering zone or positioned on the network path can have forged D...
CVE-2026-85501
A flaw was found in Unbound. This vulnerability, termed 'ReTrap', allows a remote attacker to launch algorithmic complexity attacks on the Domain Name System Security Extensions DNSSEC validation process. By serving malicious zones or responses, an attacker can exploit various mechanisms, such as...
CVE-2026-85501
Novel vulnerabilities to launch algorithmic complexity attacks on DNSSEC have been researched under the term 'ReTrap'. These result in degradation of service when malicious zones are used to serve the algorithmic complexity vulnerabilities. NLnet Labs Unbound up to and including 1.26.0 is...
Astra Linux – Vulnerability in bind9
If a BIND resolver performs DNSSEC validation and encounters a maliciously crafted zone, the resolver may consume excessive CPU resources. Authoritative-only servers are generally unaffected, although there are circumstances where authoritative servers may make recursive queries see:...
MGASA-2026-0399 Updated bind package fixes a security vulnerability
It was discovered that Bind incorrectly handled DNSSEC validation when a domain was covered by both NSEC and NSEC3 records with only one type having an RRSIG. A remote attacker could possibly use this issue to cause Bind to crash, resulting in a denial of service CVE-2026-13204...
Updated bind package fixes a security vulnerability
It was discovered that Bind incorrectly handled DNSSEC validation when a domain was covered by both NSEC and NSEC3 records with only one type having an RRSIG. A remote attacker could possibly use this issue to cause Bind to crash, resulting in a denial of service CVE-2026-13204...
K000163180: BIND vulnerability CVE-2026-11605
Security Advisory Description 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...
USN-8696-1: Bind vulnerability
It was discovered that Bind incorrectly handled DNSSEC validation when a domain was covered by both NSEC and NSEC3 records with only one type having an RRSIG. A remote attacker could possibly use this issue to cause Bind to crash, resulting in a denial of service...
USN-8696-1 bind9 vulnerability
It was discovered that Bind incorrectly handled DNSSEC validation when a domain was covered by both NSEC and NSEC3 records with only one type having an RRSIG. A remote attacker could possibly use this issue to cause Bind to crash, resulting in a denial of service...
TencentOS Server 3: bind (TSSA-2026:0929)
The version of Tencent Linux installed on the remote TencentOS Server 3 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2026:0929 advisory. Package updates are available for TencentOS Server 3 that fix the following vulnerabilities...
bind: bind9: DNSSEC Validation Bypass via Out-of-Zone NSEC Next Field
The BIND resolver accepts validly-signed NSEC records where the "Next Domain Name" field points outside the signer's zone...
bind: bind9: Incorrect acceptance of NSEC3 records
BIND may accept incorrect child-zone NSEC3 records as valid, which could allow an attacker to forge authenticated NXDOMAIN responses...
bind: bind9: Potential memory usage beyond configured limits
A DNSSEC validating resolver that is under a random subdomain attack against a DNSSEC-signed zone can suffer from runaway memory usage. The attacker needs to be able to send queries faster than the resolver can perform validation. The increased memory usage can be orders of magnitude beyond the...
Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: unbound (UTSA-2026-104802)
The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-104802 advisory. 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...