GHSA-2pjm-rchf-gxmpMediumCVSS 5.3

An unbounded resend loop vulnerability exists in the BIND 9 resolver state machine during bad...

Published
May 20, 2026
Last Modified
May 20, 2026

🔗 CVE IDs covered (1)

📋 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.

🔗 References (6)