OPENSUSE-SU-2026:21502-1: nsd security update

OPENSUSE-SU-2026:21502-1, released July 29, 2026, fixes 4 CVEs in nsd (version 4.14.3-bp160.1.1). 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

Priority of the 4 CVEs

Patch now 0
                                Urgent 0
                                High 4
                                Routine 0

Fixed package versions

Product	Release	Fixed in
nsd	opensuse-leap 16.0	4.14.3-bp160.1.1

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
High	CVE-2026-12245	nsd: NSD from version 4.13.0 has a heap use-after-free bug in logging errors on TLS connections, causing a crash of the se...	7.5	0.0046	None reported
High	CVE-2026-12246	nsd: NSD version 4.14.0 introduced a bug where a specially crafted APL RR, with an adflength larger than permitted for the...	8.1	0.0044	None reported
High	CVE-2026-12490	nsd: When a provide-xfr is given with a tls-auth-name, a secondary requesting a transfer should provide a client certifica...	7.5	0.0022	None reported

Also fixes CVE-2026-12244

nsd 4.14.0-1ubuntu0.1~esm1
nsd on Ubuntu 26.04.1 LTS (resolute)
DEBIAN-CVE-2026-12244
nsd on Debian 14

Vendor advisory

https://osv.dev/vulnerability/openSUSE-SU-2026:21502-1

For tools and AI agents

This page as data: JSON · Markdown

Link to this page

If this page saved you time, a link to it in your ticket, advisory or write-up helps others find it.

HTML

<a href="https://patchblox.com/security/fix/linux/opensuse-su-2026-21502-1">OPENSUSE-SU-2026:21502-1 on Patchblox Patch Radar</a>

Reusing the data? How to credit Patch Radar.

Which servers are still behind?

Patchblox compares the installed package on every Linux machine against the fixed version for its release, including machines reported through Azure Update Manager.

Get a demo

Patch Radar data is free to use with attribution. Terms and how to credit it.

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.