Product by NLnet Labs
NLnet Labs NSD
13 known vulnerabilities in NLnet Labs NSD (NLnet Labs), 0 of them actively exploited (CISA KEV).
Key figures
13
Vulnerabilities
0
Actively exploited (KEV)
0
Used by ransomware
1
Critical
Vulnerabilities
Actively exploited vulnerabilities (CISA KEV) first, then by priority. Click a column header to re-sort the table.
| High | CVE-2016-6173 | NLnet Labs NSD: Denial of Service | 7.5 | |
| Medium | CVE-2013-5661 | ISC BIND 9: security vulnerability | 5.9 | |
| Critical | CVE-2026-18664 | Wrong interpretation of ACL ranges | 9.1 | |
| High | CVE-2026-19401 | Remote UDP DoS by sending multiple DNS Cookie options | 7.5 | |
| High | CVE-2026-12244 | Heap overflow and crash with crafted SVCB RR | 8.8 | |
| High | CVE-2026-19538 | Bypass of BLOCKED ACL items on proxy protocol port over TCP or TLS | 7.5 | |
| High | CVE-2026-12245 | Denial of DNS over TLS service by any DoT client | 7.5 | |
| High | CVE-2026-18916 | Remote TCP DoS by throttling the TCP receive window | 7.5 | |
| Not rated | CVE-2012-2978 | NLnet Labs NSD: NULL Pointer Dereference | — | |
| High | CVE-2026-12246 | Out of bounds stack write with crafted APL RR | 8.1 | |
| Not rated | CVE-2009-1755 | NLnet Labs NSD: Buffer Overflow | — | |
| High | CVE-2026-12490 | Bypass of client certificate verification with transfer over TLS | 7.5 | |
| Medium | CVE-2020-28935 | Local symlink attack in Unbound and NSD | 5.5 |