CVE-2021-3569
5.5
MEDIUM
CVSS 3.1
EPSS 0.05%
Description
A stack corruption bug was found in libtpms in versions before 0.7.2 and before 0.8.0 while decrypting data using RSA. This flaw could result in a SIGBUS (bad memory access) and termination of swtpm. The highest threat from this vulnerability is to system availability.
How to fix CVE-2021-3569
To remediate CVE-2021-3569, upgrade the affected package to a fixed version below.
- Debian/libtpms—upgrade to 0.8.2-1 or later
Is CVE-2021-3569 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 0.8.2-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |