OPENSUSE-SU-2026:21489-1: bind security update

OPENSUSE-SU-2026:21489-1, released July 30, 2026, fixes 9 CVEs in bind (version 9.20.26-160000.1.1). None of them is reported as exploited. Patch Radar priority: High.

High

CVEs closed

None rated Critical

Exploited

None reported

Highest CVSS

8.6

Base score, 0 to 10

Highest EPSS

0.0067

52nd percentile

Priority of the 9 CVEs

Patch now 0
                                Urgent 0
                                High 8
                                Routine 1

Fixed package versions

Product	Release	Fixed in
bind	opensuse-leap 16.0	9.20.26-160000.1.1

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2026-11605	Unnecessary validation of DNSSEC signed records	7.5	0.0067	None reported
High	CVE-2026-11622	Potential memory usage beyond configured limits	8.6	0.0054	None reported
High	CVE-2026-12617	Record ordering based unexpected exit with CNAME or DNAME	7.5	0.0052	None reported
High	CVE-2026-13204	Unexpected exit in certain situations with NSEC and NSEC3 both present	8.6	0.0052	None reported
High	CVE-2026-11331	Potential wildcard CNAME RPZ policy bypass	8.6	0.0043	None reported
High	CVE-2026-11721	Cache poisoning possible with label count discrepancy, RRSIG, and wildcards	8.6	0.0040	None reported
High	CVE-2026-10723	Incorrect acceptance of NSEC3 records	8.6	0.0027	None reported
High	CVE-2026-13321	DNSSEC Validation Bypass via Out-of-Zone NSEC Next Field	8.6	0.0022	None reported
Routine	CVE-2026-10822	Key Record using PRIVATEDNS algorithm may lead to unexpected exit	6.5	0.0042	None reported

Also fixes CVE-2026-11605

bind9 1:9.20.24-1ubuntu0.2
bind9 on Ubuntu 26.04.1 LTS (resolute)
bind9-dnsutils 1:9.20.24-1ubuntu0.2
bind9-dnsutils on Ubuntu 26.04.1 LTS (resolute)
bind9-host 1:9.20.24-1ubuntu0.2
bind9-host on Ubuntu 26.04.1 LTS (resolute)
bind9-libs 1:9.20.24-1ubuntu0.2
bind9-libs on Ubuntu 26.04.1 LTS (resolute)
bind9-utils 1:9.20.24-1ubuntu0.2
bind9-utils on Ubuntu 26.04.1 LTS (resolute)
SUSE-SU-2026:3426-1
bind on sles 15.7
DEBIAN-CVE-2026-11605
bind9 on Debian 12.15 (bookworm), Debian 13.5 (trixie), Debian 14

Vendor advisory

https://osv.dev/vulnerability/openSUSE-SU-2026:21489-1

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