CVE-2026-77955

A vulnerability in Unbound allows tampered DNS records in ZONEMD-configured zones below a trust anchor to be served or saved before integrity checks complete. Asynchronous DS/DNSKEY resolution creates a time window where unverified data is processed. If this compromised data is written to disk, i...

DEBIAN-CVE-2026-77955

In NLnet Labs Unbound 1.13.2 up to and including 1.26.1, a vulnerability in ZONEMD configured zones zonemd-check: yes which are located below but not at a trust anchor allow for an attack window where tampered with zone contents are served or stored to disk prior to the ZONEMD integrity check. Th...

CVE-2026-77955

In NLnet Labs Unbound 1.13.2 up to and including 1.26.1, a vulnerability in ZONEMD configured zones zonemd-check: yes which are located below but not at a trust anchor allow for an attack window where tampered with zone contents are served or stored to disk prior to the ZONEMD integrity check. Th...

CVE-2026-77955 Possible ZONEMD verification bypass window

In NLnet Labs Unbound 1.13.2 up to and including 1.26.1, a vulnerability in ZONEMD configured zones zonemd-check: yes which are located below but not at a trust anchor allow for an attack window where tampered with zone contents are served or stored to disk prior to the ZONEMD integrity check. Th...

EUVD-2026-80287

In NLnet Labs Unbound 1.13.2 up to and including 1.26.1, a vulnerability in ZONEMD configured zones zonemd-check: yes which are located below but not at a trust anchor allow for an attack window where tampered with zone contents are served or stored to disk prior to the ZONEMD integrity check. Th...

CVE-2026-77955

In NLnet Labs Unbound 1.13.2 up to and including 1.26.1, a vulnerability in ZONEMD configured zones zonemd-check: yes which are located below but not at a trust anchor allow for an attack window where tampered with zone contents are served or stored to disk prior to the ZONEMD integrity check. Th...

Linux Distros Unpatched Vulnerability : CVE-2026-77955

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 1.26.1, a vulnerability in ZONEMD configured zones zonemd-check: yes which are located below but not at a trust...

USN-8542-1: Dnsmasq vulnerabilities

Yiwei Hou discovered that Dnsmasq incorrectly handled logging of DS or DNSKEY. A remote attacker could possibly use this issue to cause a denial of service. CVE-2026-12725 It was discovered that Dnsmasq incorrectly validated the length of fixed-length DNS record fields when parsing NS section...

CVE-2026-12725

CVE-2026-12725 affects dnsmasq. The flaw is a heap-based buffer overflow in the log_query() path when DNSSEC validation and query logging are both enabled and DNS responses contain DS/DNSKEY records with unsupported algorithm or digest types. This can cause dnsmasq to write past the end of an int...