CyberRota Analysis
This is a medium severity vulnerability with a CVSS score of 5.3. It may be remotely exploitable. Exploitation may require the attacker to be authenticated.
CVE
CVE-2026-5950
Severity
MEDIUM
CVSS
5.3
EPSS
0.66%
Original NVD Description
An unbounded resend loop vulnerability exists in the BIND 9 resolver state machine during bad-server handling, enabling a remote unauthenticated attacker to cause severe resource exhaustion by sending queries that trigger specific retry conditions. This issue affects BIND 9 versions 9.18.36 through 9.18.48, 9.20.8 through 9.20.22, 9.21.7 through 9.21.21, 9.18.36-S1 through 9.18.48-S1, and 9.20.9-S1 through 9.20.22-S1.
Related CVEs
Other vulnerabilities affecting the same vendor(s)