CVE-2021-36754

HIGH EXPLOITED NUCLEI

Powerdns Authoritative Server < 4.5.1 - Memory Corruption

Title source: rule

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.

Nuclei Templates (1)

PowerDNS Authoritative Server - Denial of Service
HIGHVERIFIEDby daffainfo

References (3)

Scores

CVSS v3 7.5
EPSS 0.8134
EPSS Percentile 99.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

VulnCheck KEV 2025-10-20
CWE
CWE-119
Status published
Products (1)
powerdns/authoritative_server 4.5.0 - 4.5.1
Published Jul 30, 2021
Tracked Since Feb 18, 2026