CVE-2021-42780

Description

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

Category

5.3
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.06%
Vendor Advisory gentoo.org
Affected: n/a opensc
Published at:
Updated at:

References

Link Tags
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28383 issue tracking mailing list patch third party advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2016139 issue tracking third party advisory patch
https://github.com/OpenSC/OpenSC/commit/5df913b7 third party advisory patch
https://security.gentoo.org/glsa/202209-03 third party advisory vendor advisory
https://lists.debian.org/debian-lts-announce/2023/06/msg00025.html mailing list

Frequently Asked Questions

What is the severity of CVE-2021-42780?
CVE-2021-42780 has been scored as a medium severity vulnerability.
How to fix CVE-2021-42780?
To fix CVE-2021-42780, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-42780 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-42780 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-42780?
CVE-2021-42780 affects n/a opensc.
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