CVE-2021-42782
opensc: Stack buffer overflow issues in various places
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · February 19, 2021
Updated · November 21, 2025
Description
A stack buffer overflow issue was found in the OpenSC package. This flaw can potentially crash programs using the library.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
CVSS / CWE
CVSS 3.1 · 5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer