Vulnerability Details CVE-2026-33602
A rogue backend can send a crafted UDP response with a query ID off by one related to the maximum configured value, triggering an out-of-bounds write leading to a denial of service.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 0.2%
CVSS Severity
CVSS v3 Score 6.5
Products affected by CVE-2026-33602
-
cpe:2.3:a:powerdns:dnsdist:1.9.0
-
cpe:2.3:a:powerdns:dnsdist:1.9.1
-
cpe:2.3:a:powerdns:dnsdist:1.9.10
-
cpe:2.3:a:powerdns:dnsdist:1.9.11
-
cpe:2.3:a:powerdns:dnsdist:1.9.12
-
cpe:2.3:a:powerdns:dnsdist:1.9.2
-
cpe:2.3:a:powerdns:dnsdist:1.9.3
-
cpe:2.3:a:powerdns:dnsdist:1.9.4
-
cpe:2.3:a:powerdns:dnsdist:1.9.5
-
cpe:2.3:a:powerdns:dnsdist:1.9.6
-
cpe:2.3:a:powerdns:dnsdist:1.9.7
-
cpe:2.3:a:powerdns:dnsdist:1.9.8
-
cpe:2.3:a:powerdns:dnsdist:1.9.9
-
cpe:2.3:a:powerdns:dnsdist:2.0.0
-
cpe:2.3:a:powerdns:dnsdist:2.0.1
-
cpe:2.3:a:powerdns:dnsdist:2.0.2
-
cpe:2.3:a:powerdns:dnsdist:2.0.3