medium5.3
CVE-2026-33594
A client can trigger excessive memory allocation by generating a lot of queries that are routed to an overloaded DoH backend, causing queries to accumulate int…
Impact
A client can trigger excessive memory allocation by generating a lot of queries that are routed to an overloaded DoH backend, causing queries to accumulate into a buffer that will not be released until the end of the connection.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Powerdns | Dnsdist | from 1.9.0 before 1.9.13 from 2.0.0 before 2.0.4 |