# opensc security updates

Patch Radar has 80 security fixes for opensc, closing 34 CVEs. The newest is DEBIAN-CVE-2026-103531 (0.27.1-3), released October 10, 2026.

- Web page: https://patchblox.com/security/product/linux/opensc
- Platform: Linux
- Supported: yes

## Security fixes, newest first

| Fix | Released | Fixed in | Priority | CVEs | Exploited |
|---|---|---|---|---:|---:|
| [DEBIAN-CVE-2026-103531](https://patchblox.com/security/data/fix/linux/debian-cve-2026-103531.md) | Oct 10, 2026 | Debian 14 0.27.1-3 | Routine | 1 | 0 |
| [DEBIAN-CVE-2026-10275](https://patchblox.com/security/data/fix/linux/debian-cve-2026-10275.md) | Jun 24, 2026 | Debian 14 0.27.1-2 | Routine | 1 | 0 |
| [DEBIAN-CVE-2025-13763](https://patchblox.com/security/data/fix/linux/debian-cve-2025-13763.md) | May 15, 2026 | Debian 14 0.27.0~rc1-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2025-66038](https://patchblox.com/security/data/fix/linux/debian-cve-2025-66038.md) | Mar 30, 2026 | Debian 14 0.27.0~rc1-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2025-66037](https://patchblox.com/security/data/fix/linux/debian-cve-2025-66037.md) | Mar 30, 2026 | Debian 14 0.27.1-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2025-66215](https://patchblox.com/security/data/fix/linux/debian-cve-2025-66215.md) | Mar 30, 2026 | Debian 14 0.27.0~rc1-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2025-49010](https://patchblox.com/security/data/fix/linux/debian-cve-2025-49010.md) | Mar 30, 2026 | Debian 14 0.27.0~rc1-1 | Routine | 1 | 0 |
| [opensc 0.25.1-2ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-opensc-0.25.1-2ubuntu1.1.md) | Jan 16, 2026 | Ubuntu 24.10 (oracular) 0.25.1-2ubuntu1.1 | Routine | 7 | 0 |
| [DLA-4004-1](https://patchblox.com/security/data/fix/linux/dla-4004-1.md) | Dec 28, 2024 | Debian 11.6 (bullseye) 0.21.0-1+deb11u1 | High | 1 | 0 |
| [DEBIAN-CVE-2024-8443](https://patchblox.com/security/data/fix/linux/debian-cve-2024-8443.md) | Sep 10, 2024 | Debian 12.15 (bookworm) 0.23.0-0.3+deb12u2 | Routine | 1 | 0 |
| [DEBIAN-CVE-2024-8443](https://patchblox.com/security/data/fix/linux/debian-cve-2024-8443.md) | Sep 10, 2024 | Debian 13.5 (trixie) 0.25.1-2.1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2024-8443](https://patchblox.com/security/data/fix/linux/debian-cve-2024-8443.md) | Sep 10, 2024 | Debian 14 0.25.1-2.1 | Routine | 1 | 0 |
| [opensc 0.20.0-3ubuntu0.1~esm4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-opensc-0.20.0-3ubuntu0.1-esm4.md) | Sep 10, 2024 | Ubuntu 20.04 LTS (focal) 0.20.0-3ubuntu0.1~esm4 | High | 11 | 0 |
| [opensc 0.22.0-1ubuntu2+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-opensc-0.22.0-1ubuntu2-esm1.md) | Sep 10, 2024 | Ubuntu 22.04.1 LTS (jammy) 0.22.0-1ubuntu2+esm1 | High | 11 | 0 |
| [opensc 0.25.0~rc1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-opensc-0.25.0-rc1-1ubuntu0.1-esm1.md) | Sep 10, 2024 | Ubuntu 24.04.5 LTS (noble) 0.25.0~rc1-1ubuntu0.1~esm1 | Routine | 7 | 0 |
| [DEBIAN-CVE-2024-45617](https://patchblox.com/security/data/fix/linux/debian-cve-2024-45617.md) | Sep 3, 2024 | Debian 12.15 (bookworm) 0.23.0-0.3+deb12u2 | Routine | 1 | 0 |
| [DEBIAN-CVE-2024-45617](https://patchblox.com/security/data/fix/linux/debian-cve-2024-45617.md) | Sep 3, 2024 | Debian 13.5 (trixie) 0.25.1-2.1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2024-45617](https://patchblox.com/security/data/fix/linux/debian-cve-2024-45617.md) | Sep 3, 2024 | Debian 14 0.25.1-2.1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2024-45619](https://patchblox.com/security/data/fix/linux/debian-cve-2024-45619.md) | Sep 3, 2024 | Debian 12.15 (bookworm) 0.23.0-0.3+deb12u2 | Routine | 1 | 0 |
| [DEBIAN-CVE-2024-45619](https://patchblox.com/security/data/fix/linux/debian-cve-2024-45619.md) | Sep 3, 2024 | Debian 13.5 (trixie) 0.25.1-2.1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2024-45619](https://patchblox.com/security/data/fix/linux/debian-cve-2024-45619.md) | Sep 3, 2024 | Debian 14 0.25.1-2.1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2024-45620](https://patchblox.com/security/data/fix/linux/debian-cve-2024-45620.md) | Sep 3, 2024 | Debian 12.15 (bookworm) 0.23.0-0.3+deb12u2 | Routine | 1 | 0 |
| [DEBIAN-CVE-2024-45620](https://patchblox.com/security/data/fix/linux/debian-cve-2024-45620.md) | Sep 3, 2024 | Debian 13.5 (trixie) 0.25.1-2.1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2024-45620](https://patchblox.com/security/data/fix/linux/debian-cve-2024-45620.md) | Sep 3, 2024 | Debian 14 0.25.1-2.1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2024-45618](https://patchblox.com/security/data/fix/linux/debian-cve-2024-45618.md) | Sep 3, 2024 | Debian 12.15 (bookworm) 0.23.0-0.3+deb12u2 | Routine | 1 | 0 |
| [DEBIAN-CVE-2024-45618](https://patchblox.com/security/data/fix/linux/debian-cve-2024-45618.md) | Sep 3, 2024 | Debian 13.5 (trixie) 0.25.1-2.1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2024-45618](https://patchblox.com/security/data/fix/linux/debian-cve-2024-45618.md) | Sep 3, 2024 | Debian 14 0.25.1-2.1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2024-45616](https://patchblox.com/security/data/fix/linux/debian-cve-2024-45616.md) | Sep 3, 2024 | Debian 12.15 (bookworm) 0.23.0-0.3+deb12u2 | Routine | 1 | 0 |
| [DEBIAN-CVE-2024-45616](https://patchblox.com/security/data/fix/linux/debian-cve-2024-45616.md) | Sep 3, 2024 | Debian 13.5 (trixie) 0.25.1-2.1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2024-45616](https://patchblox.com/security/data/fix/linux/debian-cve-2024-45616.md) | Sep 3, 2024 | Debian 14 0.25.1-2.1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2024-45615](https://patchblox.com/security/data/fix/linux/debian-cve-2024-45615.md) | Sep 3, 2024 | Debian 12.15 (bookworm) 0.23.0-0.3+deb12u2 | Routine | 1 | 0 |
| [DEBIAN-CVE-2024-45615](https://patchblox.com/security/data/fix/linux/debian-cve-2024-45615.md) | Sep 3, 2024 | Debian 13.5 (trixie) 0.25.1-2.1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2024-45615](https://patchblox.com/security/data/fix/linux/debian-cve-2024-45615.md) | Sep 3, 2024 | Debian 14 0.25.1-2.1 | Routine | 1 | 0 |
| [opensc 0.17.0-3ubuntu0.1~esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-opensc-0.17.0-3ubuntu0.1-esm2.md) | Sep 3, 2024 | Ubuntu 18.04.6 LTS (bionic) 0.17.0-3ubuntu0.1~esm2 | High | 4 | 0 |
| [RHSA-2024:0966](https://patchblox.com/security/data/fix/linux/rhsa-2024-0966.md) | Feb 26, 2024 | RHEL 9 0:0.23.0-4.el9_3 | Routine | 1 | 0 |
| [RHSA-2024:0967](https://patchblox.com/security/data/fix/linux/rhsa-2024-0967.md) | Feb 26, 2024 | RHEL 8 0:0.20.0-8.el8_9 | Routine | 1 | 0 |
| [DEBIAN-CVE-2024-1454](https://patchblox.com/security/data/fix/linux/debian-cve-2024-1454.md) | Feb 12, 2024 | Debian 12.15 (bookworm) 0.23.0-0.3+deb12u2 | Routine | 1 | 0 |
| [DEBIAN-CVE-2024-1454](https://patchblox.com/security/data/fix/linux/debian-cve-2024-1454.md) | Feb 12, 2024 | Debian 13.5 (trixie) 0.25.0~rc1-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2024-1454](https://patchblox.com/security/data/fix/linux/debian-cve-2024-1454.md) | Feb 12, 2024 | Debian 14 0.25.0~rc1-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2023-5992](https://patchblox.com/security/data/fix/linux/debian-cve-2023-5992.md) | Jan 31, 2024 | Debian 12.15 (bookworm) 0.23.0-0.3+deb12u2 | Routine | 1 | 0 |
| [DEBIAN-CVE-2023-5992](https://patchblox.com/security/data/fix/linux/debian-cve-2023-5992.md) | Jan 31, 2024 | Debian 13.5 (trixie) 0.25.0~rc1-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2023-5992](https://patchblox.com/security/data/fix/linux/debian-cve-2023-5992.md) | Jan 31, 2024 | Debian 14 0.25.0~rc1-1 | Routine | 1 | 0 |
| [RHSA-2023:7879](https://patchblox.com/security/data/fix/linux/rhsa-2023-7879.md) | Dec 19, 2023 | RHEL 9 0:0.23.0-3.el9_3 | Routine | 3 | 0 |
| [RHSA-2023:7876](https://patchblox.com/security/data/fix/linux/rhsa-2023-7876.md) | Dec 19, 2023 | RHEL 8 0:0.20.0-7.el8_9 | Routine | 2 | 0 |
| [RHSA-2023:7160](https://patchblox.com/security/data/fix/linux/rhsa-2023-7160.md) | Nov 14, 2023 | RHEL 8 0:0.20.0-6.el8 | High | 1 | 0 |
| [RHSA-2023:6587](https://patchblox.com/security/data/fix/linux/rhsa-2023-6587.md) | Nov 7, 2023 | RHEL 9 0:0.23.0-2.el9 | High | 1 | 0 |
| [DEBIAN-CVE-2023-4535](https://patchblox.com/security/data/fix/linux/debian-cve-2023-4535.md) | Nov 6, 2023 | Debian 12.15 (bookworm) 0.23.0-0.3+deb12u1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2023-4535](https://patchblox.com/security/data/fix/linux/debian-cve-2023-4535.md) | Nov 6, 2023 | Debian 13.5 (trixie) 0.23.0-2 | Routine | 1 | 0 |
| [DEBIAN-CVE-2023-4535](https://patchblox.com/security/data/fix/linux/debian-cve-2023-4535.md) | Nov 6, 2023 | Debian 14 0.23.0-2 | Routine | 1 | 0 |
| [DEBIAN-CVE-2023-40661](https://patchblox.com/security/data/fix/linux/debian-cve-2023-40661.md) | Nov 6, 2023 | Debian 13.5 (trixie) 0.23.0-2 | Routine | 1 | 0 |
| [DEBIAN-CVE-2023-40661](https://patchblox.com/security/data/fix/linux/debian-cve-2023-40661.md) | Nov 6, 2023 | Debian 14 0.23.0-2 | Routine | 1 | 0 |
| [DEBIAN-CVE-2023-40661](https://patchblox.com/security/data/fix/linux/debian-cve-2023-40661.md) | Nov 6, 2023 | Debian 12.15 (bookworm) 0.23.0-0.3+deb12u1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2023-40660](https://patchblox.com/security/data/fix/linux/debian-cve-2023-40660.md) | Nov 6, 2023 | Debian 14 0.23.0-2 | Routine | 1 | 0 |
| [DEBIAN-CVE-2023-40660](https://patchblox.com/security/data/fix/linux/debian-cve-2023-40660.md) | Nov 6, 2023 | Debian 12.15 (bookworm) 0.23.0-0.3+deb12u1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2023-40660](https://patchblox.com/security/data/fix/linux/debian-cve-2023-40660.md) | Nov 6, 2023 | Debian 13.5 (trixie) 0.23.0-2 | Routine | 1 | 0 |
| [DEBIAN-CVE-2021-34193](https://patchblox.com/security/data/fix/linux/debian-cve-2021-34193.md) | Aug 22, 2023 | Debian 12.15 (bookworm) 0.22.0-1 | High | 1 | 0 |
| [DEBIAN-CVE-2021-34193](https://patchblox.com/security/data/fix/linux/debian-cve-2021-34193.md) | Aug 22, 2023 | Debian 13.5 (trixie) 0.22.0-1 | High | 1 | 0 |
| [DEBIAN-CVE-2021-34193](https://patchblox.com/security/data/fix/linux/debian-cve-2021-34193.md) | Aug 22, 2023 | Debian 14 0.22.0-1 | High | 1 | 0 |
| [DEBIAN-CVE-2023-2977](https://patchblox.com/security/data/fix/linux/debian-cve-2023-2977.md) | Jun 1, 2023 | Debian 12.15 (bookworm) 0.23.0-0.3 | High | 1 | 0 |
| [DEBIAN-CVE-2023-2977](https://patchblox.com/security/data/fix/linux/debian-cve-2023-2977.md) | Jun 1, 2023 | Debian 13.5 (trixie) 0.23.0-0.3 | High | 1 | 0 |
| [DEBIAN-CVE-2023-2977](https://patchblox.com/security/data/fix/linux/debian-cve-2023-2977.md) | Jun 1, 2023 | Debian 14 0.23.0-0.3 | High | 1 | 0 |
| [DEBIAN-CVE-2021-42781](https://patchblox.com/security/data/fix/linux/debian-cve-2021-42781.md) | Apr 18, 2022 | Debian 12.15 (bookworm) 0.22.0-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2021-42781](https://patchblox.com/security/data/fix/linux/debian-cve-2021-42781.md) | Apr 18, 2022 | Debian 13.5 (trixie) 0.22.0-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2021-42781](https://patchblox.com/security/data/fix/linux/debian-cve-2021-42781.md) | Apr 18, 2022 | Debian 14 0.22.0-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2021-42782](https://patchblox.com/security/data/fix/linux/debian-cve-2021-42782.md) | Apr 18, 2022 | Debian 12.15 (bookworm) 0.22.0-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2021-42782](https://patchblox.com/security/data/fix/linux/debian-cve-2021-42782.md) | Apr 18, 2022 | Debian 13.5 (trixie) 0.22.0-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2021-42782](https://patchblox.com/security/data/fix/linux/debian-cve-2021-42782.md) | Apr 18, 2022 | Debian 14 0.22.0-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2021-42780](https://patchblox.com/security/data/fix/linux/debian-cve-2021-42780.md) | Apr 18, 2022 | Debian 14 0.22.0-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2021-42780](https://patchblox.com/security/data/fix/linux/debian-cve-2021-42780.md) | Apr 18, 2022 | Debian 12.15 (bookworm) 0.22.0-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2021-42780](https://patchblox.com/security/data/fix/linux/debian-cve-2021-42780.md) | Apr 18, 2022 | Debian 13.5 (trixie) 0.22.0-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2021-42778](https://patchblox.com/security/data/fix/linux/debian-cve-2021-42778.md) | Apr 18, 2022 | Debian 12.15 (bookworm) 0.22.0-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2021-42778](https://patchblox.com/security/data/fix/linux/debian-cve-2021-42778.md) | Apr 18, 2022 | Debian 13.5 (trixie) 0.22.0-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2021-42778](https://patchblox.com/security/data/fix/linux/debian-cve-2021-42778.md) | Apr 18, 2022 | Debian 14 0.22.0-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2021-42779](https://patchblox.com/security/data/fix/linux/debian-cve-2021-42779.md) | Apr 18, 2022 | Debian 12.15 (bookworm) 0.22.0-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2021-42779](https://patchblox.com/security/data/fix/linux/debian-cve-2021-42779.md) | Apr 18, 2022 | Debian 13.5 (trixie) 0.22.0-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2021-42779](https://patchblox.com/security/data/fix/linux/debian-cve-2021-42779.md) | Apr 18, 2022 | Debian 14 0.22.0-1 | Routine | 1 | 0 |
| [RHSA-2021:1600](https://patchblox.com/security/data/fix/linux/rhsa-2021-1600.md) | May 18, 2021 | RHEL 8 0:0.20.0-4.el8 | Routine | 3 | 0 |
| [RHSA-2020:4483](https://patchblox.com/security/data/fix/linux/rhsa-2020-4483.md) | Nov 4, 2020 | RHEL 8 0:0.20.0-2.el8 | Routine | 5 | 0 |
| [opensc 0.17.0-3ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-opensc-0.17.0-3ubuntu0.1-esm1.md) | Oct 5, 2020 | Ubuntu 18.04.6 LTS (bionic) 0.17.0-3ubuntu0.1~esm1 | Routine | 5 | 0 |
| [opensc 0.20.0-3ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-opensc-0.20.0-3ubuntu0.1-esm1.md) | Oct 5, 2020 | Ubuntu 20.04 LTS (focal) 0.20.0-3ubuntu0.1~esm1 | Routine | 3 | 0 |

---

Data as of 2026-11-07T00:32:44Z 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