CLSA-2026-1790962865 unbound: Fix of 4 CVEs

CVE-2026-82720: pop each reply off the mesh reply list before it is dropped or answered, detach the tcpreqinfo and DoH stream references and clear the h2 stream mesh states when a DoH session is dropped, so an RPZ drop or jostled query can no longer leave a dangling DoH stream reference that is...

SUSE 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...

Important: unbound

Issue Overview: 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...

Amazon Linux 2023 : python3-unbound, unbound, unbound-anchor (ALAS2023-2026-3127)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-3127 advisory. 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 wind...

unbound: Unbound: ZONEMD verification bypass due to asynchronous DNSSEC resolution

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...

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...

AZL-101715 CVE-2026-77955 affecting package unbound for versions less than 1.26.1-1

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...

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

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...

UBUNTU-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...

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...

CVE-2026-77955

NLnet Labs Unbound versions 1.13.2 through 1.26.1 are affected by a timing window in ZONEMD verification for zones configured with zonemd-check: yes located below (but not at) a trust anchor. The root cause is the asynchronous DS/DNSKEY resolution required before the ZONEMD integrity check comple...

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...

CVE-2026-77955: Insufficient Verification of Data Authenticity

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: Insufficient Verification of Data Authenticity

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...