CVE-2021-36754: Buffer Overflow
First published: Tue 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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| PowerDNS Authoritative Server | >=4.5.0<4.5.1 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
Frequently Asked Questions
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.
How severe is CVE-2021-36754?
CVE-2021-36754 has a severity rating of 7.5, which is considered high.
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.
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.
How can I fix CVE-2021-36754?
To fix CVE-2021-36754, upgrade your PowerDNS Authoritative Server to version 4.5.1 or later.
- collector/nvd-index
- agent/references
- agent/weakness
- agent/severity
- agent/author
- agent/tags
- agent/type
- agent/event
- agent/description
- agent/softwarecombine
- agent/first-publish-date
- agent/last-modified-date
- collector/mitre-cve
- source/MITRE
- vendor/powerdns
- canonical/powerdns authoritative server
- version/powerdns authoritative server/4.5.0