CVE-2026-40510: OpenSC < 0.27.0-rc1 Stack Buffer Overflow via piv_process_history() in card-piv.c

Overview

Severity

Low (CVSS 3.8)

CVSS Vector

CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L

Exploit Status

Not Exploited

Patch Tuesday

2026-May

Released

2026-05-31

Last Updated

2026-06-09

EPSS Score

0.29% (percentile: 21.9%)

Affected Products (1)

Other

• 21210-17084

Revision History

• 2026-05-31: Information published.
• 2026-06-02: Information published.
• 2026-06-09: Information published.