[SECURITY] Fedora 43 Update: unbound-1.25.1-1.fc43

Unbound is a validating, recursive, and caching DNSSEC resolver. The C implementation of Unbound is developed and maintained by NLnet Labs. It is based on ideas and algorithms taken from a java prototype developed by Verisign labs, Nominet, Kirei and ep.net. Unbound is designed as a set of modula...

SUSE-SU-2026:21913-1 Security update for unbound

This update for unbound fixes the following issues - CVE-2026-32792: Packet of death with DNSCrypt bsc1265583. - CVE-2026-33278: Possible remote code execution during DNSSEC validation bsc1265587. - CVE-2026-40622: "Ghost domain name" variant bsc1265581. - CVE-2026-41292: Parsing a long list of...

Nutanix AOS : Multiple Vulnerabilities (NXSA-AOS-7.3.1.10)

The version of AOS installed on the remote host is prior to 7.3.1.10. It is, therefore, affected by multiple vulnerabilities as referenced in the NXSA-AOS-7.3.1.10 advisory. - Vim is an open source, command line text editor. Versions prior to 9.2.0077 have a heap-buffer-overflow and a segmentatio...

OESA-2026-2438 dnsmasq security update

Dnsmasq provides network infrastructure for small networks: DNS, DHCP, router advertisement and network boot. It is designed to be lightweight and have a small footprint, suitable for resource constrained routers and firewalls. It has also been widely used for tethering on smartphones and portabl...

CVE-2026-33278

NLnet Labs Unbound 1.19.1 up to and including version 1.25.0 has a vulnerability in the DNSSEC validator that enables denial of service and possible remote code execution as a result of deep copying a data structure and erroneously overwriting a destination pointer. An adversary can exploit the...

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...

UBUNTU-CVE-2026-33278

NLnet Labs Unbound 1.19.1 up to and including version 1.25.0 has a vulnerability in the DNSSEC validator that enables denial of service and possible remote code execution as a result of deep copying a data structure and erroneously overwriting a destination pointer. An adversary can exploit the...

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...

CVE-2026-45557 Technitium DNS Server excessive DNSSEC requests

Technitium DNS Server aggressively tries to fetch missing RRSIG records or mismatched DNSKEY records. An attacker in control of a domain can cause a vulnerable system to generate excessive network traffic. Fixed in 15.0...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: bind (UTSA-2026-021471)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-021471 advisory. If a BIND resolver is performing DNSSEC validation and encounters a maliciously crafted zone, the resolver may consume excessive CPU. Authoritative-only servers are...

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...

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-2026-4891

A heap-based out-of-bounds read vulnerability in the DNSSEC validation of dnsmasq allows remote attackers to cause a denial of service via a crafted DNS packet...

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...

CVE-2026-4891

A heap-based out-of-bounds read vulnerability in the DNSSEC validation of dnsmasq allows remote attackers to cause a denial of service via a crafted DNS packet...

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...

UBUNTU-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...

Astra Linux - уязвимость в bind9

If a server hosts a zone containing a “KEY” Resource Record, or if a resolver validates a “KEY” Resource Record from a DNSSEC-signed domain in its cache, a client can exhaust resolver CPU resources by sending a stream of SIG0 signed requests. This issue affects BIND 9 versions 9.0.0 through...

OESA-2026-2074 llvm security update

LLVM is a compiler infrastructure designed for compile-time, link-time, runtime, and idle-time optimization of programs from arbitrary programming languages. Security Fixes: When using Arm Cortex-M Security Extensions CMSE, Secure stack contents can be leaked to Non-secure state via floating-poin...