Linux · Security advisory · March 27, 2026

DSA-6181-1: bind9 security update

DSA-6181-1, released March 27, 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
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0169
77th percentile

Fixed package versions

ProductReleaseFixed in
bind9Debian 12.15 (bookworm)1:9.18.47-1~deb12u1
bind9Debian 13.5 (trixie)1:9.20.21-1~deb13u1

CVEs this fix closes

PriorityCVETitleImpactCVSSEPSSExploitation
High CVE-2026-1519 Excessive NSEC3 iterations cause high CPU load during insecure delegation validation 7.5 0.0169 None reported
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