Linux Distros Unpatched Vulnerability : CVE-2026-39155

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Knot DNS before 3.4.10 and 3.5.x before 3.5.4 contains a vulnerability in mod-onlinesign where the next NSEC owner name can be computed incorrectly. This can...

CVE-2026-39155

Knot DNS before 3.4.10 and 3.5.x before 3.5.4 contains a vulnerability in mod-onlinesign where the next NSEC owner name can be computed incorrectly. This can create an overly broad authenticated denial interval, allowing downstream validating resolvers using aggressive negative caching to...

CVE-2026-44690

In NLnet Labs Unbound 1.7.0 up to and including 1.25.1, insufficient validation of the RRSIG.Labels field combined with premature cache writes during RFC 8198 aggressive NSEC processing leads to cache poisoning that permits a malicious actor controlling a single delegated zone to poison arbitrary...

EUVD-2026-47669

In NLnet Labs Unbound 1.7.0 up to and including 1.25.1, insufficient validation of the RRSIG.Labels field combined with premature cache writes during RFC 8198 aggressive NSEC processing leads to cache poisoning that permits a malicious actor controlling a single delegated zone to poison arbitrary...

EUVD-2026-24721

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

DEBIAN-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-2026-33261

CVE-2026-33261 describes a denial of service triggered by a zone transition from NSEC to NSEC3, linked to a null pointer access in the aggressive NSEC(3) cache. The description from CVE records (Vuln NLP) indicates internal inconsistency during the NSEC/NSEC3 transition can lead to DoS. The conne...

CVE-2026-33261 Null pointer accces in aggressive NSEC(3) cache

A zone transition from NSEC to NSEC3 might trigger an internal inconsistency and cause a denial of service...

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 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 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

PowerDNS Recursor is affected by CVE-2026-33258. A flaw allows an attacker to publish and query a crafted zone, causing allocation of large entries in negative and aggressive NSEC3 caches. This can lead to resource usage and potential denial of service; CVSS indicates high impact on availability ...

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...

CVE-2026-31058

UTT Aggressive HiPER 1200GW v2.5.3-170306 was discovered to contain a buffer overflow in the timeRangeName parameter of the formConfigDnsFilterGlobal function. This vulnerability allows attackers to cause a Denial of Service DoS via a crafted input...

CVE-2026-31067

A remote command execution RCE vulnerability in the /goform/formReleaseConnect component of UTT Aggressive 520W v3v1.7.7-180627 allows attackers to execute arbitrary commands via a crafted string...

CVE-2026-31063

UTT Aggressive HiPER 1200GW v2.5.3-170306 was discovered to contain a buffer overflow in the pools parameter of the formArpBindConfig function. This vulnerability allows attackers to cause a Denial of Service DoS via a crafted input...

CVE-2026-31065

UTT Aggressive 520W v3v1.7.7-180627 was discovered to contain a buffer overflow in the addCommand parameter of the formConfigCliForEngineerOnly function. This vulnerability allows attackers to cause a Denial of Service DoS via a crafted input...