CVE-2019-20792

MEDIUM 6.8CVE-2019-20792 · Published 29/04/2020 · updated 17/06/2026

In short

CVE-2019-20792 is a MEDIUM (CVSS 6.8) vulnerability affecting opensc (opensc project).
Chance of exploitation in the next 30 days (EPSS): 0.66%, higher than 51.4% of all vulnerabilities.
Fix: update to 0.20.0 or later.

Package	Affected versions	Patched versions
opensc opensc_project	`< 0.20.0`	`0.20.0`

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.

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Package

Affected versions

Patched versions

< 0.20.0

0.20.0

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