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VULNERABILITIES

CVE-2021-36754 Details

Description

PowerDNS Authoritative Server 4.5.0 before 4.5.1 allows anybody to crash the process by sending a specific query (QTYPE 65535) that causes an out-of-bounds exception.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://doc.powerdns.com/authoritative/security-advisories/index.html CVEVendor Advisory
https://doc.powerdns.com/authoritative/security-advisories/powerdns-advisory-2021-01.html CVEVendor Advisory
http://www.openwall.com/lists/oss-security/2021/07/26/2 CVEMailing ListThird Party Advisory
https://doc.powerdns.com/authoritative/security-advisories/index.html [email protected]Vendor Advisory
https://doc.powerdns.com/authoritative/security-advisories/powerdns-advisory-2021-01.html [email protected]Vendor Advisory

see all 6 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer[email protected]

Affected Products

ProductVersions
powerdns authoritative server
>= 4.5.0, < 4.5.1

CPE

  • cpe:2.3:a:powerdns:authoritative_server:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

4 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2021-36754
NVD Published Date:
Jul 30, 2021
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2021-36754 Details - Not Deferred