CVE-2022-21716

Twisted is an event-based framework for internet applications, supporting Python 3.6+. Prior to 22.2.0, Twisted SSH client and server implement is able to accept an infinite amount of data for the peer's SSH version identifier. This ends up with a buffer using all the available memory. The attach is a simple as `nc -rv localhost 22 < /dev/zero`. A patch is available in version 22.2.0. There are currently no known workarounds.

Score
CVSS 3.1 7.5 High
Status
Modified - security-advisories@github.com
Published
2022-03-03
Last modified
2025-04-22
Weaknesses
CWE-120, CWE-770

Affected products

References

 
 
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