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Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2026-42396

Insufficient Validation of Member Zone Data May Cause Catalog Zone Transfer to Fail

Exploit prediction scoring system (EPSS) score

EPSS Score 0.0

EPSS Ranking 2.9%

CVSS Severity

CVSS v3 Score 4.9

References

https://docs.powerdns.com/authoritative/security-advisories/powerdns-advisory-powerdns-2026-06.html

Products affected by CVE-2026-42396

Powerdns » Authoritative » Version: 4.7.0

cpe:2.3:a:powerdns:authoritative:4.7.0
Powerdns » Authoritative » Version: 4.7.1

cpe:2.3:a:powerdns:authoritative:4.7.1
Powerdns » Authoritative » Version: 4.7.2

cpe:2.3:a:powerdns:authoritative:4.7.2
Powerdns » Authoritative » Version: 4.7.3

cpe:2.3:a:powerdns:authoritative:4.7.3
Powerdns » Authoritative » Version: 4.7.4

cpe:2.3:a:powerdns:authoritative:4.7.4
Powerdns » Authoritative » Version: 4.9.0

cpe:2.3:a:powerdns:authoritative:4.9.0
Powerdns » Authoritative » Version: 4.9.1

cpe:2.3:a:powerdns:authoritative:4.9.1
Powerdns » Authoritative » Version: 4.9.10

cpe:2.3:a:powerdns:authoritative:4.9.10
Powerdns » Authoritative » Version: 4.9.11

cpe:2.3:a:powerdns:authoritative:4.9.11
Powerdns » Authoritative » Version: 4.9.12

cpe:2.3:a:powerdns:authoritative:4.9.12
Powerdns » Authoritative » Version: 4.9.13

cpe:2.3:a:powerdns:authoritative:4.9.13
Powerdns » Authoritative » Version: 4.9.14

cpe:2.3:a:powerdns:authoritative:4.9.14
Powerdns » Authoritative » Version: 4.9.2

cpe:2.3:a:powerdns:authoritative:4.9.2
Powerdns » Authoritative » Version: 4.9.3

cpe:2.3:a:powerdns:authoritative:4.9.3
Powerdns » Authoritative » Version: 4.9.4

cpe:2.3:a:powerdns:authoritative:4.9.4
Powerdns » Authoritative » Version: 4.9.5

cpe:2.3:a:powerdns:authoritative:4.9.5
Powerdns » Authoritative » Version: 4.9.6

cpe:2.3:a:powerdns:authoritative:4.9.6
Powerdns » Authoritative » Version: 4.9.7

cpe:2.3:a:powerdns:authoritative:4.9.7
Powerdns » Authoritative » Version: 4.9.8

cpe:2.3:a:powerdns:authoritative:4.9.8
Powerdns » Authoritative » Version: 4.9.9

cpe:2.3:a:powerdns:authoritative:4.9.9
Powerdns » Authoritative » Version: 5.0.0

cpe:2.3:a:powerdns:authoritative:5.0.0
Powerdns » Authoritative » Version: 5.0.1

cpe:2.3:a:powerdns:authoritative:5.0.1
Powerdns » Authoritative » Version: 5.0.2

cpe:2.3:a:powerdns:authoritative:5.0.2
Powerdns » Authoritative » Version: 5.0.3

cpe:2.3:a:powerdns:authoritative:5.0.3
Powerdns » Authoritative » Version: 5.0.4

cpe:2.3:a:powerdns:authoritative:5.0.4

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Vulnerability Details CVE-2026-42396

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