CyberRota Analysis
This is a high severity vulnerability with a CVSS score of 7.5. It may lead to a denial-of-service condition.
CVE
CVE-2026-41292
Severity
HIGH
CVSS
7.5
EPSS
0.63%
Original NVD Description
NLnet Labs Unbound up to and including version 1.25.0 is vulnerable to a degradation of service attack related to parsing long lists of incoming EDNS options. An adversary sending queries with too many EDNS options can hold Unbound threads hostage while they are parsing and creating internal data structures for the options. Coordinated attacks can result in degradation and/or denial of service. Unbound 1.25.1 contains a patch with a fix to limit acceptable incoming EDNS options (100).
Related CVEs
Other vulnerabilities affecting the same vendor(s)