unbound (SUSE:Linux Enterprise High Performance Computing 15 SP4-LTSS) — known CVEs & security advisories

Known CVE vulnerabilities and GitHub Security Advisories affecting the SUSE:Linux Enterprise High Performance Computing 15 SP4-LTSS package unbound, with affected version ranges, CVSS severity, EPSS exploit prediction, and CISA KEV status.

CVEs (16)

• CVE-2026-42960 — CVSS 10.0 (critical): NLnet Labs Unbound up to and including version 1.25.0 is vulnerable to poisoning via promiscuous records for the authority section…
• CVE-2026-33278 — CVSS 9.8 (critical): 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…
• CVE-2022-3204 — CVSS 7.5 (high): A vulnerability named 'Non-Responsive Delegation Attack' (NRDelegation Attack) has been discovered in various DNS resolving software. The…
• CVE-2023-50387 — CVSS 7.5 (high): Certain DNSSEC aspects of the DNS protocol (in RFC 4033, 4034, 4035, 6840, and related RFCs) allow remote attackers to cause a denial of…
• CVE-2023-50868 — CVSS 7.5 (high): The Closest Encloser Proof aspect of the DNS protocol (in RFC 5155 when RFC 9276 guidance is skipped) allows remote attackers to cause a…
• CVE-2026-40622 — CVSS 7.5 (high): NLnet Labs Unbound 1.16.2 up to and including version 1.25.0 has a vulnerability of the 'ghost domain names' family of attacks that could…
• CVE-2026-42959 — CVSS 7.5 (high): 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…
• CVE-2026-41292 — CVSS 7.5 (high): NLnet Labs Unbound up to and including version 1.25.0 is vulnerable to a degradation of service attack related to parsing long lists of…
• CVE-2026-42944 — CVSS 7.5 (high): NLnet Labs Unbound 1.14.0 up to and including version 1.25.0 has a vulnerability that results in heap overflow when encoding multiple NSID…
• CVE-2022-30698 — CVSS 6.5 (medium): NLnet Labs Unbound, up to and including version 1.16.1 is vulnerable to a novel type of the "ghost domain names" attack. The vulnerability…
• CVE-2022-30699 — CVSS 6.5 (medium): NLnet Labs Unbound, up to and including version 1.16.1, is vulnerable to a novel type of the "ghost domain names" attack. The vulnerability…
• CVE-2026-44608 — CVSS 5.9 (medium): NLnet Labs Unbound 1.14.0 up to and including version 1.25.0 has a locking inconsistency vulnerability that when certain conditions are met…
• CVE-2026-42923 — CVSS 5.3 (medium): 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…
• CVE-2026-42534 — CVSS 5.3 (medium): NLnet Labs Unbound up to and including version 1.25.0 has a vulnerability in the jostle logic that could defeat its purpose and degrade…
• CVE-2026-32792 — CVSS 5.3 (medium): NLnet Labs Unbound 1.6.2 up to and including version 1.25.0 has a denial of service vulnerability when compiled with DNSCrypt support…
• CVE-2026-44390 — CVSS 5.3 (medium): NLnet Labs Unbound up to and including version 1.25.0 has a vulnerability when handling replies with very large RRsets that Unbound needs…