Popis
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.
CVSS 5.3EPSS 0.66%Riziko 0.56
Zobraziť zdroj- Zverejnené
- 2026-05-20 13:16:40
- Dotknuté verzie
- cannotmatch
- Typ
- Core software
- Posledná úprava
- 2026-07-23 12:10:00
- Vektor
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L