CVE-2021-36754: Buffer Overflow
Published Jul 27, 2021
·Updated
PowerDNS Authoritative Server 4.5.0 before 4.5.1 allows anybody to crash the process by sending a specific query (QTYPE 65535) that causes an out-of-bounds exception.
Affected Software
1 affected component
PowerDNS Authoritative Server>=4.5.0<4.5.1
Event History
Jul 27, 2021
CVE Published
via MITRE·05:35 AM
Data Sourced
via MITRE·05:35 AM
Description
Frequently Asked Questions
1
What is CVE-2021-36754?
CVE-2021-36754 is the vulnerability ID for the PowerDNS Authoritative Server version 4.5.0 before 4.5.1.
2
How severe is CVE-2021-36754?
CVE-2021-36754 has a severity rating of 7.5, which is considered high.
3
How does CVE-2021-36754 affect PowerDNS Authoritative Server?
CVE-2021-36754 allows anybody to crash the PowerDNS Authoritative Server process by sending a specific query (QTYPE 65535) that causes an out-of-bounds exception.
4
What is the affected version of PowerDNS Authoritative Server?
PowerDNS Authoritative Server version 4.5.0 before 4.5.1 is affected by CVE-2021-36754.
5
How can I fix CVE-2021-36754?
To fix CVE-2021-36754, upgrade your PowerDNS Authoritative Server to version 4.5.1 or later.