# CVE-2025-49010: opensc: OpenSC is an open source smart card tools and middleware

CVE-2025-49010 is fixed in opensc on 1 platform, first by DEBIAN-CVE-2025-49010, released March 30, 2026. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2025-49010
- Priority: Routine
- CVSS: 6.8 (medium)
- EPSS: 0.0014
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Mar 30, 2026

## Description

OpenSC is an open source smart card tools and middleware. Prior to version 0.27.0, an attacker with physical access to the computer at the time user or administrator uses a token can cause a stack-buffer-overflow write in GET RESPONSE. The attack requires crafted USB device or smart card that would present the system with specially crafted responses to the APDUs. This issue has been patched in version 0.27.0.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | opensc Debian 14 | 0.27.0~rc1-1 | [DEBIAN-CVE-2025-49010](https://patchblox.com/security/data/fix/linux/debian-cve-2025-49010.md) | Mar 30, 2026 |
| Linux | opensc opensuse-leap 16.0 | 0.26.1-160000.3.1 | [OPENSUSE-SU-2026:20967-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-20967-1.md) | Jun 15, 2026 |
| Linux | opensc sles 15.6 | 0.22.0-150600.11.11.1 | [SUSE-SU-2026:2697-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-2697-1.md) | Jun 30, 2026 |
| Linux | opensc sles 15.7 | 0.22.0-150600.11.11.1 | [SUSE-SU-2026:2697-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-2697-1.md) | Jun 30, 2026 |
| Linux | opensc sles 16.0 | 0.26.1-160000.3.1 | [SUSE-SU-2026:22126-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-22126-1.md) | Jun 15, 2026 |

---

Data as of 2026-11-08T06:59:42Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.