CVE-2021-42779: Use After Free
A heap use after free issue was found in Opensc before version 0.22.0 in scfilevalid.
Affected Software
Remediation
Patch Available
Patch Available
Patch Available
Event History
Frequently Asked Questions
What is the severity of CVE-2021-42779?
The severity of CVE-2021-42779 is medium with a CVSS score of 5.3.
What is the affected software for CVE-2021-42779?
The affected software for CVE-2021-42779 includes Opensc before version 0.22.0, Fedoraproject Fedora 33, Redhat Enterprise Linux 7.0, Redhat Enterprise Linux 8.0, and redhat/opensc with version up to exclusive 0.22.0.
How can I fix CVE-2021-42779?
To fix CVE-2021-42779, it is recommended to update Opensc to version 0.22.0 or higher.
What is the Common Weakness Enumeration (CWE) ID for CVE-2021-42779?
The Common Weakness Enumeration (CWE) ID for CVE-2021-42779 is CWE-416.
Where can I find more information about CVE-2021-42779?
More information about CVE-2021-42779 can be found at the following references: [Reference 1](https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28843), [Reference 2](https://bugzilla.redhat.com/show_bug.cgi?id=2016086), [Reference 3](https://github.com/OpenSC/OpenSC/commit/1db88374).