Linux · Debian · Security advisory · September 19, 2026

DEBIAN-CVE-2026-85501: unbound security update

DEBIAN-CVE-2026-85501, released September 19, 2026, fixes 1 CVE in unbound. None of them is reported as exploited. Patch Radar priority: High.

High
CVEs closed
1
None rated Critical
Exploited
0
None reported
Highest CVSS
7.5
Base score, 0 to 10
Highest EPSS
0.0048
41st percentile

Fixed package versions

ProductReleaseFixed in
unboundDebian 13.5 (trixie)1.26.1-0+deb13u1
unboundDebian 141.26.1-1

CVEs this fix closes

PriorityCVETitleCVSSEPSSExploitation
High CVE-2026-85501 Retrap: Novel Vulnerabilities to launch Algorithmic Complexity Attacks on DNSSEC7.5 0.0048 None reported
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