CVE Catalog
CVE-2026-42396
MediumCVSS 4.9Exploitation Probability (EPSS)
Low risk0.35%
28th percentile - higher than 28% of all known CVEs
Summary
Insufficient validation of member zone data may cause catalog zone transfer to fail.
Risk Assessment
The risk involves potential disruption of DNS replication, which could lead to network service unavailability.
Recommendation
Update the DNS software to the latest version containing fixes for zone data validation.
Original NVD description (English source)
Insufficient Validation of Member Zone Data May Cause Catalog Zone Transfer to Fail