AIKIDO-2026-585895
hickory-net is vulnerable to Improper Verification of Cryptographic Signature
50
Medium Risk
This Affects:
hickory-netTL;DR
When collecting NSEC and NSEC3 records for nonexistence proofs, the validator accepts a record as long as at least one record with a matching name passed validation, without matching the record type. A bogus NSEC or NSEC3 record can be accepted when mixed with a valid record of a different type at the same name. This weakens signature validity checks on denial-of-existence records. The fix requires the specific record to be validated.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range and you have DNSSEC validation enabled
Background info
hickory-net is vulnerable to Improper Verification of Cryptographic Signature in versions 0.26.0 - 0.26.1.
How to fix this
Upgrade the hickory-net library to the patch version.
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