CVE-2021-42782: Buffer Overflow
Published Oct 21, 2021
·Updated
Last updated 10 April 2025
Other sources
Stack buffer overflow issues were found in Opensc before version 0.22.0 in various places that could potentially crash programs using the library.
— MITRE
Affected Software
4 affected componentsFixes available
redhat/opensc<0.22.0
0.22.0
Opensc Project Opensc<0.22.0
Fedoraproject Fedora=33
debian/opensc<=0.21.0-1
0.21.0-1+deb11u10.23.0-0.3+deb12u20.26.1-1
Remediation
Patch Available
Patch Available
Patch Available
Patch Available
Patch Available
Patch Available
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
Mar 12, 2025
Data Sourced
via Launchpad·09:39 AM
Description
Apr 10, 2025
Data Sourced
via Ubuntu·03:08 AM
RemedyDescriptionSeverityAffected Software
Frequently Asked Questions
1
What is CVE-2021-42782?
CVE-2021-42782 is a vulnerability found in Opensc before version 0.22.0 that can cause stack buffer overflow issues.
2
How severe is CVE-2021-42782?
The severity of CVE-2021-42782 is 5.3, which is considered medium.
3
Which software versions are affected by CVE-2021-42782?
Opensc versions before 0.22.0, Fedora version 33, and Red Hat Opensc package version before 0.22.0 are affected by CVE-2021-42782.
4
How can CVE-2021-42782 potentially impact programs using Opensc?
CVE-2021-42782 can potentially crash programs using the Opensc library due to stack buffer overflow issues.
5
Where can I find more information about CVE-2021-42782?
You can find more information about CVE-2021-42782 on the Red Hat Bugzilla and the corresponding GitHub commits.