Related Vulnerabilities: CVE-2021-38385  

A remote denial of service issue has been fixed in tor >= 0.4.6.7. An assertion failure could be caused by a behavior mismatch between the batch-signature verification code and the single-signature verification code. This assertion failure could be triggered remotely, leading to a denial of service attack.

Severity High

Remote Yes

Type Denial of service

Description

A remote denial of service issue has been fixed in tor >= 0.4.6.7. An assertion failure could be caused by a behavior mismatch between the batch-signature verification code and the single-signature verification code. This assertion failure could be triggered remotely, leading to a denial of service attack.

AVG-2302 tor 0.4.6.6-1 0.4.6.7-1 High Fixed

https://gitlab.torproject.org/tpo/core/tor/-/issues/40078