74 matches found
CVE-2026-52690
CVE-2026-52690 affects the PowerDNS Recursor. Spoofed replies can cause an authoritative server’s IP to be marked as not supporting EDNS, leading to DNSSEC validation failures for records served by that server. The vulnerability’s impact is documented as enabling validation failures in the presen...
EulerOS 2.0 SP13 : bind (EulerOS-SA-2026-2279)
According to the versions of the bind packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : If a BIND resolver is performing DNSSEC validation and encounters a maliciously crafted zone, the resolver may consume excessive CPU...
CVE-2026-42959
NLnet Labs Unbound up to and including version 1.25.0 has a denial of service vulnerability in the DNSSEC validator that can lead to a crash given malicious upstream replies. When Unbound constructs chase-reply messages for validation, the code uses the wrong counter to calculate write offsets fo...
dnsmasq: NSEC bitmap parsing infinite loop
A denial of service vulnerability was discovered in dnsmasq's DNSSEC validation. When parsing NSEC and NSEC3 bitmap records, the window iteration logic fails to account for the 2-byte window header when advancing through the bitmap data. A specially crafted DNS response with a zero-length bitmap...
MGASA-2026-0152 Updated bind packages fix security vulnerabilities
It was discovered that bind contained a vulnerability where a Malformed BRID/HHIT record can cause named to terminate unexpectedly CVE-2025-13878. If a BIND resolver is performing DNSSEC validation and encounters a maliciously crafted zone, the resolver may consume excessive CPU. Authoritative-on...
bind: BIND: Denial of Service via maliciously crafted DNSSEC-validated zone
A flaw was found in BIND. A remote attacker could exploit this vulnerability by sending a maliciously crafted DNSSEC-validated zone to a BIND resolver. This could cause the resolver to consume excessive CPU resources, leading to a denial of service DoS for legitimate users...
ALPINE-CVE-2026-4890
A Denial of Service DoS vulnerability in the DNSSEC validation of dnsmasq allows remote attackers to cause a denial of service via a crafted DNS packet...
AlmaLinux 10 : bind (ALSA-2026:8312)
The remote AlmaLinux 10 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2026:8312 advisory. bind: BIND: Denial of Service via maliciously crafted DNSSEC-validated zone CVE-2026-1519 Tenable has extracted the preceding description block directly from the...
bind: BIND: Denial of Service via maliciously crafted DNSSEC-validated zone
A flaw was found in BIND. A remote attacker could exploit this vulnerability by sending a maliciously crafted DNSSEC-validated zone to a BIND resolver. This could cause the resolver to consume excessive CPU resources, leading to a denial of service DoS for legitimate users...
bind9.18 security update
An update is available for bind9.18. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list BIND Berkeley Internet Name Domain is an implementation of the DNS Domain Na...
bind: BIND: Denial of Service via maliciously crafted DNSSEC-validated zone
A flaw was found in BIND. A remote attacker could exploit this vulnerability by sending a maliciously crafted DNSSEC-validated zone to a BIND resolver. This could cause the resolver to consume excessive CPU resources, leading to a denial of service DoS for legitimate users...
Important: Red Hat Security Advisory: bind9.16 security update
An update for bind9.16 is now available for Red Hat Enterprise Linux 8. 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 available for each vulnerability from...
bind: BIND: Denial of Service via maliciously crafted DNSSEC-validated zone
A flaw was found in BIND. A remote attacker could exploit this vulnerability by sending a maliciously crafted DNSSEC-validated zone to a BIND resolver. This could cause the resolver to consume excessive CPU resources, leading to a denial of service DoS for legitimate users...
CVE-2026-1519
A flaw was found in BIND. A remote attacker could exploit this vulnerability by sending a maliciously crafted DNSSEC-validated zone to a BIND resolver. This could cause the resolver to consume excessive CPU resources, leading to a denial of service DoS for legitimate users. Mitigation To mitigate...
MiracleLinux 8 : dnsmasq-2.79-31.el8_9.2 (AXSA:2024-7620:02)
The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2024-7620:02 advisory. dnsmasq: bind9: KeyTrap - Extreme CPU consumption in DNSSEC validator CVE-2023-50387 dnsmasq: bind9: Preparing an NSEC3 closest encloser proof can...
MiracleLinux 3 : bind-9.3.6-4.P1.2.1.AXS3 (AXSA:2010-77:01)
"The remote MiracleLinux 3 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2010-77:01 advisory. BIND Berkeley Internet Name Domain is an implementation of the DNS Domain Name System protocols. BIND includes a DNS server named, which resolves hos...
CLSA-2025-1756230743 unbound: Fix of CVE-2023-50868
CVE-2023-50868: avoid availabiluty of the remote attackers to cause a denial of service using DNSSEC...
Quantum-Resistant Domain Name System: a Comprehensive System-Level Study
The Domain Name System DNS plays a foundational role in Internet infrastructure, yet its core protocols remain vulnerable to compromise by quantum adversaries. As cryptographically relevant quantum computers become a realistic threat, ensuring DNS confidentiality, authenticity, and integrity in t...
UBUNTU-CVE-2025-25188
Hickory DNS is a Rust based DNS client, server, and resolver. A vulnerability present starting in version 0.8.0 and prior to versions 0.24.3 and 0.25.0-alpha.5 impacts Hickory DNS users relying on DNSSEC verification in the client library, stub resolver, or recursive resolver. The DNSSEC validati...
bind9: Preparing an NSEC3 closest encloser proof can exhaust CPU resources
A flaw was found in bind9. By flooding a DNSSEC resolver with responses coming from a DNSEC-signed zone using NSEC3, an attacker can lead the targeted resolver to a CPU exhaustion, further leading to a Denial of Service on the targeted host. This vulnerability applies only for systems where DNSSE...