Mend.io Vulnerability Database

What is a CVE vulnerability ID? icon What is a WS vulnerability ID? icon What is an MSC vulnerability ID? icon
New vulnerability? Tell us about it!
icon

We found results for “”

CVE-2021-40083

Good to know:

icon

Date: August 24, 2021

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).

Language: C

Severity Score

Related Resources (5)

https://nvd.nist.gov/vuln/detail/CVE-2021-40083
https://gitlab.nic.cz/knot/knot-resolver/-/merge_requests/1169
https://security-tracker.debian.org/tracker/CVE-2021-40083
https://people.canonical.com/~ubuntu-security/cve/CVE-2021-40083
https://www.mend.io/vulnerability-database/CVE-2021-40083

Severity Score

Weakness Type (CWE)

Reachable Assertion

CWE-617

Top Fix

icon

Upgrade Version

Upgrade to version v5.3.2

Learn More

CVSS v3

Base Score:
Attack Vector (AV):
Attack Complexity (AC):
Privileges Required (PR):
User Interaction (UI):
Scope (S):
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): COMPLETE

CVSS v2

Base Score:
Access Vector (AV):
Access Complexity (AC):
Authentication (AU):
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): NONE
Additional information:

Do you need more information?

Contact Us