This security bulletin contains one medium risk vulnerability.
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to incorrect exceptions handling with enabled protobuf logging. A remote attacker can send a specially crafted request to the DNS server and perform a denial of service (DoS) attack.
Install updates from vendor's website.Vulnerable software versions
PowerDNS Recursor: 4.0.0 - 4.7.1Fixed software versions
Q & A
Can this vulnerability be exploited remotely?
How the attacker can exploit this vulnerability?
Is there known malware, which exploits this vulnerability?