nsd 4.14.0-1ubuntu0.1~esm1: nsd 4.14.0-1ubuntu0.1~esm1 for Ubuntu 26.04.1 LTS (resolute)

nsd 4.14.0-1ubuntu0.1~esm1, released June 24, 2026, fixes 4 CVEs in nsd. 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

Priority of the 4 CVEs

Patch now 0
                                Urgent 0
                                High 4
                                Routine 0

Fixed package versions

Product	Release	Fixed in
nsd	Ubuntu 26.04.1 LTS (resolute)	4.14.0-1ubuntu0.1~esm1

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2026-12244	nsd: Heap overflow and crash with crafted SVCB RR (bsc#1269566)	8.8	0.0049	None reported
High	CVE-2026-12245	nsd: Denial of DNS over TLS service by any DoT client (bsc#1269565)	7.5	0.0046	None reported
High	CVE-2026-12246	nsd: Out of bounds stack write with crafted APL RR (bsc#1269564)	8.1	0.0044	None reported
High	CVE-2026-12490	nsd: Bypass of client certificate verification with transfer over TLS (bsc#1269563)	7.5	0.0022	None reported

Also fixes CVE-2026-12244

OPENSUSE-SU-2026:21502-1
nsd on opensuse-leap 16.0
DEBIAN-CVE-2026-12244
nsd on Debian 14

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