CVE-2021-40083
High
Description
Knot Resolver before 5.3.2 is prone to an assertion failure, triggerable by a remote attacker in an edge case (NSEC3 with too many iterations used for a positive wildcard proof).
SeverityHigh
CVSS7.5
Exploit probability—
ProductNic Knot Resolver
PublishedAug 25, 2021
First seenAug 25, 2021
How to fix
Update
- nic knot_resolver5.3.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| nic knot_resolver | v < 5.3.2 | 5.3.2 |
Check your version
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