# OpenSC Project OpenSC vulnerabilities

Source: https://junglewise.ai/threats/technologies/opensc  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/opensc.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 4 vulnerabilities in OpenSC Project OpenSC: 0 in the last 7 days and 0 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-10275, was published on 1 June 2026.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 0
- All time: 4 (0 critical, 0 exploited in the wild)

## About OpenSC Project OpenSC

OpenSC provides a set of libraries and utilities to access smart cards that support cryptographic operations.

## Latest OpenSC Project OpenSC vulnerabilities

- [CVE-2026-10275: OpenSC pkcs11-tool buffer overflow in test_kpgen_certwrite](https://junglewise.ai/threats/cve-2026-10275-opensc-pkcs11-tool-buffer-overflow-in-test-kpgen-certwrite) (medium, CVSS 5, published 1 Jun 2026)
- [CVE-2026-40528: OpenSC buffer overrun in do_key_value function](https://junglewise.ai/threats/cve-2026-40528-opensc-buffer-overrun-in-do-key-value-function) (low, CVSS 3.8, published 29 May 2026)
- [CVE-2026-40510: OpenSC stack buffer overflow in PIV card history processing](https://junglewise.ai/threats/cve-2026-40510-opensc-stack-buffer-overflow-in-piv-card-history-processing) (low, CVSS 3.8, published 29 May 2026)
- [CVE-2025-13763: OpenSC libopensc uninitialized variables in card detection](https://junglewise.ai/threats/cve-2025-13763-opensc-libopensc-uninitialized-variables-in-card-detection) (medium, CVSS 5.7, published 23 Apr 2026)

## Most severe OpenSC Project OpenSC vulnerabilities

- [CVE-2025-13763: OpenSC libopensc uninitialized variables in card detection](https://junglewise.ai/threats/cve-2025-13763-opensc-libopensc-uninitialized-variables-in-card-detection) (medium, CVSS 5.7, published 23 Apr 2026)
- [CVE-2026-10275: OpenSC pkcs11-tool buffer overflow in test_kpgen_certwrite](https://junglewise.ai/threats/cve-2026-10275-opensc-pkcs11-tool-buffer-overflow-in-test-kpgen-certwrite) (medium, CVSS 5, published 1 Jun 2026)
- [CVE-2026-40528: OpenSC buffer overrun in do_key_value function](https://junglewise.ai/threats/cve-2026-40528-opensc-buffer-overrun-in-do-key-value-function) (low, CVSS 3.8, published 29 May 2026)
- [CVE-2026-40510: OpenSC stack buffer overflow in PIV card history processing](https://junglewise.ai/threats/cve-2026-40510-opensc-stack-buffer-overflow-in-piv-card-history-processing) (low, CVSS 3.8, published 29 May 2026)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "OpenSC Project OpenSC vulnerabilities", https://junglewise.ai/threats/technologies/opensc, 9 November 2026.