CVE-2026-12245

CVE-2026-12245CVE-2026-12245

nlnetlabs / nsd

Description

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.

Scoring

CVSS 7.5 ()
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Last modified2026-06-26
Sourced from NVD. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.