An attacker can trigger an assertion failure by requesting crafted DNS records, waiting for them to be inserted into the records cache, then send a query with qtype set to ANY.
| Software | From | Fixed in |
|---|---|---|
| powerdns / recursor | 5.3.0 | 5.3.0.x |
| powerdns / recursor | 5.3.1 | 5.3.1.x |