Double Free in Opensc Project
CVE-2019-20792
OpenSC before 0.20.0 has a double free in coolkey_free_private_data because coolkey_add_object in libopensc/card-coolkey.c lacks a uniqueness check.
Vulnerability class: Double Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.007 (51.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 51.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
Weakness classification (CWE)
References
- bugs.chromium.org/p/oss-fuzz/issues/detail (Exploit, Third Party Advisory)
- github.com/OpenSC/OpenSC/commit/c246f6f69a749d4f68626b40795a4f69168008f4 (Patch, Third Party Advisory)
- github.com/OpenSC/OpenSC/compare/0.19.0...0.20.0 (Third Party Advisory, Release Notes)
Frequently asked questions
- What is CVE-2019-20792?
- CVE-2019-20792 is a medium-severity vulnerability in Opensc Project, classified under Double Free. CVSS score: 6.8/10. Published 2020-04-29.
- How severe is CVE-2019-20792?
- Medium severity. CVSS v3 base score is 6.8 out of 10.