DEBIAN-CVE-2026-12244: nsd security update

DEBIAN-CVE-2026-12244, released June 28, 2026, fixes 1 CVE in nsd (version 4.14.3-1). None of them is reported as exploited. Patch Radar priority: High.

High

CVEs closed

None rated Critical

Exploited

None reported

Highest CVSS

8.8

Base score, 0 to 10

Highest EPSS

0.0049

42nd percentile

Fixed package versions

Product	Release	Fixed in
nsd	Debian 14	4.14.3-1

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2026-12244	nsd: If NSD is configured as secondary for a zone, the primary of that zone can crash NSD with an AXFR containing a DNS me...	8.8	0.0049	None reported

Also fixes CVE-2026-12244

OPENSUSE-SU-2026:21502-1
nsd on opensuse-leap 16.0
nsd 4.14.0-1ubuntu0.1~esm1
nsd on Ubuntu 26.04.1 LTS (resolute)

Vendor advisory

https://security-tracker.debian.org/tracker/CVE-2026-12244

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