CVE Field Guide
About Us
CVE-2026-42002
PUBLISHED
Concurrency and locking defects in GSS-TSIG
Assigner:
OX
Reserved:
23.04.2026
Published:
21.05.2026
Updated:
21.05.2026
Concurrency and locking defects in GSS-TSIG
Metrics
CVSS 3.1
CVSS Vector:
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS Score:
5.9
CVSS score
5.9
Attack Vector
Network
Scope
Unchanged
Attack Complexity
High
Confidentiality Impact
None
Privileges Required
None
Integrity Impact
None
User Interaction
None
Availability Impact
High
CVSS 3.1
Product Status
Vendor
PowerDNS
Product
Authoritative
Versions
Default:
unaffected
affected from 4.9.0 to 4.9.15 (excl.)
affected from 5.0.0 to 5.0.5 (excl.)
Credits
thanos_haruki
finder
References
https://docs.powerdns.com/authoritative/security-advisories/powerdns-advisory-powerdns-2026-06.html
Problem Types
Signal Handler Race Condition
CWE