CVE-2021-36754

HighCVSS 7.5/10Last modified Jun 17, 2026

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 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-119

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

http://www.openwall.com/lists/oss-security/2021/07/26/2Mailing List, Third Party Advisory
https://doc.powerdns.com/authoritative/security-advisories/index.htmlVendor Advisory
https://doc.powerdns.com/authoritative/security-advisories/powerdns-advisory-2021-01.htmlVendor Advisory
http://www.openwall.com/lists/oss-security/2021/07/26/2Mailing List, Third Party Advisory
https://doc.powerdns.com/authoritative/security-advisories/index.htmlVendor Advisory
https://doc.powerdns.com/authoritative/security-advisories/powerdns-advisory-2021-01.htmlVendor Advisory

Timeline

Published: Jul 30, 2021
Last modified: Jun 17, 2026
NVD status: Modified

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