CVE-2021-42780: Medium severity suse opensc vulnerability

Published Oct 20, 2021
·
Updated

A use after return issue was found in Opensc before version 0.22.0 in insertpin function that could potentially crash programs using the library.

Affected Software

5 affected componentsFixes available
redhat/opensc<0.22.0
0.22.0
Opensc Project Opensc<0.22.0
Fedoraproject Fedora=33
redhat Enterprise Linux=7.0
debian/opensc<=0.21.0-1
0.21.0-1+deb11u10.23.0-0.3+deb12u20.26.1-1

Event History

Apr 18, 2022
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
DescriptionWeakness
Data Sourced
via NVD·05:15 PM
RemedyDescriptionSeverityWeaknessAffected Software
Apr 10, 2025
Data Sourced
via Ubuntu·03:08 AM
RemedyDescriptionSeverityAffected Software
Data Sourced
via Launchpad·03:09 AM
Description
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Frequently Asked Questions

1

What is CVE-2021-42780?

CVE-2021-42780 is a vulnerability in Opensc before version 0.22.0 that could potentially crash programs using the library.

2

How severe is CVE-2021-42780?

CVE-2021-42780 has a severity score of 5.3, which is considered medium.

3

What is the affected software for CVE-2021-42780?

The affected software includes Opensc before version 0.22.0, Fedora 33, Red Hat Enterprise Linux 7.0, and the redhat/opensc package.

4

How can I fix CVE-2021-42780?

To fix CVE-2021-42780, you should update Opensc to version 0.22.0 or later.

5

Where can I find more information about CVE-2021-42780?

You can find more information about CVE-2021-42780 in the referenced links: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28383, https://bugzilla.redhat.com/show_bug.cgi?id=2016139, and https://github.com/OpenSC/OpenSC/commit/5df913b7.

Contact

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