CVE-2021-34193
opensc - security update
7.5
HIGH
CVSS 3.1
EPSS 0.65%
Description
Stack overflow vulnerability in OpenSC smart card middleware before 0.23 via crafted responses to APDUs.
How to fix CVE-2021-34193
To remediate CVE-2021-34193, upgrade the affected package to a fixed version below.
- Debian/opensc—upgrade to 0.21.0-1+deb11u1 or later
- Debian/opensc—upgrade to 0.21.0-1+deb11u1 or later
Is CVE-2021-34193 being exploited?
Low — EPSS is 0.7%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 0.21.0-1+deb11u1
- from 0, < 0.21.0-1+deb11u1
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 |