botan before 1.11.22 improperly validates certificate paths, which allows remote attackers to cause a denial of service (infinite loop and memory consumption) via a certificate with a loop in the certificate chain.
| Name | Vendor | Start Version | End Version | 
|---|---|---|---|
| Botan | Botan_project | * | 1.11.21 (including) | 
| Botan1.10 | Ubuntu | upstream | * |