SUSE CVE-2026-42923

NLnet Labs Unbound up to and including version 1.25.0 has a vulnerability in the DNSSEC validator where the code path to consult the negative cache for DS records does not take into account the limit on NSEC3 hash calculations introduced in 1.19.1. This leads to degradation of service during the...

CVE-2026-42923

A flaw was found in Unbound's DNSSEC validator where the code path for consulting the negative cache for DS records does not honor the limit on NSEC3 hash calculations introduced in version 1.19.1. An adversary who controls a DNSSEC-signed zone can sign NSEC3 records with high iteration counts fo...

ALPINE-CVE-2026-42923

NLnet Labs Unbound up to and including version 1.25.0 has a vulnerability in the DNSSEC validator where the code path to consult the negative cache for DS records does not take into account the limit on NSEC3 hash calculations introduced in 1.19.1. This leads to degradation of service during the...

CVE-2026-42923

NLnet Labs Unbound up to and including version 1.25.0 has a vulnerability in the DNSSEC validator where the code path to consult the negative cache for DS records does not take into account the limit on NSEC3 hash calculations introduced in 1.19.1. This leads to degradation of service during the...

CVE-2026-42923 Degradation of service with unbounded NSEC3 hash calculations

NLnet Labs Unbound up to and including version 1.25.0 has a vulnerability in the DNSSEC validator where the code path to consult the negative cache for DS records does not take into account the limit on NSEC3 hash calculations introduced in 1.19.1. This leads to degradation of service during the...

EUVD-2026-31081

NLnet Labs Unbound up to and including version 1.25.0 has a vulnerability in the DNSSEC validator where the code path to consult the negative cache for DS records does not take into account the limit on NSEC3 hash calculations introduced in 1.19.1. This leads to degradation of service during the...

CVE-2026-42923 Degradation of service with unbounded NSEC3 hash calculations

NLnet Labs Unbound up to and including version 1.25.0 has a vulnerability in the DNSSEC validator where the code path to consult the negative cache for DS records does not take into account the limit on NSEC3 hash calculations introduced in 1.19.1. This leads to degradation of service during the...

CVE-2026-42923

NLnet Labs Unbound up to and including version 1.25.0 has a vulnerability in the DNSSEC validator where the code path to consult the negative cache for DS records does not take into account the limit on NSEC3 hash calculations introduced in 1.19.1. This leads to degradation of service during the...

CVE-2026-42923

Summary: NLnet Labs Unbound up to and including 1.25.0 has a vulnerability in the DNSSEC validator where the path that consults the negative cache for DS records does not honor the NSEC3 hash calculation limit introduced in 1.19.1. An attacker controlling a DNSSEC-signed zone can sign NSEC3 recor...

CVE-2026-42923

NLnet Labs Unbound up to and including version 1.25.0 has a vulnerability in the DNSSEC validator where the code path to consult the negative cache for DS records does not take into account the limit on NSEC3 hash calculations introduced in 1.19.1. This leads to degradation of service during the...

PT-2026-42130

Name of the Vulnerable Software and Affected Versions NLnet Labs Unbound versions prior to 1.25.1 Description A flaw in the DNSSEC validator occurs when the code path used to consult the negative cache for DS records ignores the limit on NSEC3 hash calculations. An attacker controlling a DNSSEC...

CVE-2026-42923

NLnet Labs Unbound up to and including version 1.25.0 has a vulnerability in the DNSSEC validator where the code path to consult the negative cache for DS records does not take into account the limit on NSEC3 hash calculations introduced in 1.19.1. This leads to degradation of service during the...

Linux Distros Unpatched Vulnerability : CVE-2026-42923

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - NLnet Labs Unbound up to and including version 1.25.0 has a vulnerability in the DNSSEC validator where the code path to consult the negative cache for DS recor...

Astra Linux – Vulnerability in Samba

A flaw was discovered in Samba. The Samba smbd file server must map Windows group identities SIDs to Unix group IDs gids. The code responsible for this mapping contained a flaw that could allow it to read data beyond the end of the array, in the event that a negative cache entry was added to the...

SUSE CVE-2026-33258

By publishing and querying a crafted zone an attacker can cause allocation of large entries in the negative and aggressive NSEC3 caches...

CVE-2026-33258

By publishing and querying a crafted zone an attacker can cause allocation of large entries in the negative and aggressive NSEC3 caches...

CVE-2026-33258 Crafted zones can cause increased resource usage

By publishing and querying a crafted zone an attacker can cause allocation of large entries in the negative and aggressive NSEC3 caches...

CVE-2026-33258

By publishing and querying a crafted zone an attacker can cause allocation of large entries in the negative and aggressive NSEC3 caches...

CVE-2026-33258

By publishing and querying a crafted zone an attacker can cause allocation of large entries in the negative and aggressive NSEC3 caches...

PT-2026-34322

By publishing and querying a crafted zone an attacker can cause allocation of large entries in the negative and aggressive NSEC3 caches...