CVE-2021-42779 Information

Description

A heap use after free issue was found in Opensc before version 0.22.0 in sc_file_valid.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Reference

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28843 https://bugzilla.redhat.com/show_bug.cgi?id=2016086 https://github.com/OpenSC/OpenSC/commit/1db88374

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

LOW

Base Severity

5.3