SB20260806120 - Remote denial of service in PowerDNS products
Published: August 6, 2026
Security Bulletin ID
SB20260806120
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Resource exhaustion (CVE-ID: CVE-2026-52682)
CWE-ID: CWE-400 - Resource exhaustion
CVSSv4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper control for consumption of internal resources. A remote attacker can send a crafted DNS packet to the server, cause increased memory and CPU consumption and perform a denial of service attack.
Remediation
Install update from vendor's website.