This page tracks the Debian fix status. The vulnerability itself is described on the main CVE page.
View CVE-2026-12246 →
DEBIAN-CVE-2026-12246
NSD version 4.14.0 introduced a bug where a specially crafted APL RR, with an adflength larger than permitted for the address family will overwrite th...
Original description
The description as published by the source.
NSD version 4.14.0 introduced a bug where a specially crafted APL RR, with an adflength larger than permitted for the address family will overwrite the stack when the zone is written to disk, with a maximum of 111 attacker controlled bytes.
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