VDB
CVE-2026-12245
CVE-2026-12245
PUBLISHED
CVSS 8.7 HIGH
Reported by NLnet Labs · Published June 25, 2026
NSD from version 4.13.0 has a heap use-after-free bug in logging errors on TLS connections, causing a crash of the server process, which can be triggered trivially by sending a DNS query over a DoT connection, and closing the connection without reading the response.
Risk Scores
CVSS 4.0
8.7
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| NLnet Labs | NSD | 4.13.0 |
| NLnet Labs | NSD | 4.13.0 |
| alpine | nsd | 0, 0, 0 |
Timeline
- Jun 25, 2026 CVE Published
- Jun 25, 2026 CVE Updated
- Jun 26, 2026 EPSS Score
- Jun 26, 2026 Coalition ESS Score
- Jun 29, 2026 Security Advisory
- Aug 7, 2026 EPSS Score
- Aug 24, 2026 EPSS Score
- Aug 27, 2026 EPSS Score
- Sep 1, 2026 EPSS Score
- Sep 6, 2026 EPSS Score