medium5.3
CVE-2026-3592
BIND resolvers are vulnerable to an amplified resource consumption/exhaustion attack.
Impact
BIND resolvers are vulnerable to an amplified resource consumption/exhaustion attack. If a victim resolver makes a query to a specially crafted zone, the resolver will consume disproportionate resources. This issue affects BIND 9 versions 9.11.0 through 9.16.50, 9.18.0 through 9.18.48, 9.20.0 through 9.20.22, 9.21.0 through 9.21.21, 9.11.3-S1 through 9.16.50-S1, 9.18.11-S1 through 9.18.48-S1, and 9.20.9-S1 through 9.20.22-S1.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Isc | Bind | from 9.11.0 through 9.16.50 from 9.18.0 before 9.18.49 from 9.20.0 before 9.20.23 from 9.21.0 before 9.21.22 |