CVE-2026-12245 — Denial of DNS over TLS service by any DoT client
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 …
Published: 2026-06-25 · CVSS: 8.7 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7