This page tracks the Debian fix status. The vulnerability itself is described on the main CVE page. View CVE-2026-12245 →

DEBIAN-CVE-2026-12245

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 trigge...

Original description

The description as published by the source.

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: OSV.dev (Open Source Vulnerabilities) OSV

Affected packages

Debian:14 nsd

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.14.3-1"}]}]

References

advisory security-tracker.debian.org