CVE-2021-38385

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

Tor before 0.3.5.16, 0.4.5.10, and 0.4.6.7 mishandles the relationship between batch-signature verification and single-signature verification, leading to a remote assertion failure, aka TROVE-2021-007.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-617

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://blog.torproject.orgRelease Notes, Vendor Advisory
https://blog.torproject.org/node/2062Release Notes, Vendor Advisory
https://bugs.torproject.org/tpo/core/tor/40078Exploit, Issue Tracking, Vendor Advisory
https://security.gentoo.org/glsa/202305-11
https://blog.torproject.orgRelease Notes, Vendor Advisory
https://blog.torproject.org/node/2062Release Notes, Vendor Advisory
https://bugs.torproject.org/tpo/core/tor/40078Exploit, Issue Tracking, Vendor Advisory
https://security.gentoo.org/glsa/202305-11

Timeline

Published: Aug 30, 2021
Last modified: Jun 17, 2026
NVD status: Modified

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