CVE-2021-38385
tor - security update
7.5
HIGH
CVSS 3.1
EPSS 0.59%
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.
How to fix CVE-2021-38385
To remediate CVE-2021-38385, upgrade the affected package to a fixed version below.
- Debian/tor—upgrade to 0.4.5.10-1~deb11u1 or later
- —upgrade to 0.3.5.16-1 or later
Is CVE-2021-38385 being exploited?
Low — EPSS is 0.6%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 0.4.5.10-1~deb11u1
- from 0, < 0.3.5.16-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |