Linux · Debian · Security advisory · July 23, 2026

DEBIAN-CVE-2026-11331: bind9 security update

DEBIAN-CVE-2026-11331, released July 23, 2026, fixes 1 CVE in bind9. None of them is reported as exploited. Patch Radar priority: High.

High
CVEs closed
1
None rated Critical
Exploited
0
None reported
Highest CVSS
8.6
Base score, 0 to 10
Highest EPSS
0.0043
37th percentile

Fixed package versions

ProductReleaseFixed in
bind9Debian 12.15 (bookworm)1:9.18.49-1~deb12u2
bind9Debian 13.5 (trixie)1:9.20.26-1~deb13u1
bind9Debian 141:9.20.26-1

CVEs this fix closes

PriorityCVETitleCVSSEPSSExploitation
High CVE-2026-11331 Potential wildcard CNAME RPZ policy bypass8.6 0.0043 None reported
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