CVE-2026-5950

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 throu...

UBUNTU-CVE-2026-5950

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 throu...

PT-2026-42165

Name of the Vulnerable Software and Affected Versions BIND 9 versions 9.18.36 through 9.18.48 BIND 9 versions 9.20.8 through 9.20.22 BIND 9 versions 9.21.7 through 9.21.21 BIND 9 versions 9.18.36-S1 through 9.18.48-S1 BIND 9 versions 9.20.9-S1 through 9.20.22-S1 Description An unbounded resend lo...