Resource management error in PowerDNS Recursor - CVE-2025-59029
Published: December 8, 2025
Vulnerability identifier: #VU119296
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-59029
CWE-ID: CWE-399
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper management of internal resources in cache management when handling DNS queries with with qtype ANY. A remote attacker can send specially crafted request to the DNS server and perform a denial of service (DoS) attack.
Affected software
PowerDNS Recursor
Fedora
pdns-recursor
Fedora
pdns-recursor
How to mitigate CVE-2025-59029
Install updates from vendor's website.
PowerDNS Recursor - update to 5.3.3
pdns-recursor - addressed in versions 5.2.8-1.fc42, 5.2.8-1.fc43, 5.2.11-1.fc43, 5.4.3-1.el10_2, 5.4.3-1.el10_3, 5.4.3-1.fc44
pdns-recursor - addressed in versions 5.2.8-1.fc42, 5.2.8-1.fc43, 5.2.11-1.fc43, 5.4.3-1.el10_2, 5.4.3-1.el10_3, 5.4.3-1.fc44