Buffer overflow in Opensc Project

CVE-2019-19481

An issue was discovered in OpenSC through 0.19.0 and 0.20.x through 0.20.0-rc3. libopensc/card-cac1.c mishandles buffer limits for CAC certificates.

Vulnerability class: Buffer Overflow

EPSS: 0.002 (16.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2019-19481?
CVE-2019-19481 is a medium-severity vulnerability in Opensc Project, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 4.6/10. Published 2019-12-01.
How severe is CVE-2019-19481?
Medium severity. CVSS v3 base score is 4.6 out of 10.