Description
OpenSC before 0.20.0 has a double free in coolkey_free_private_data because coolkey_add_object in libopensc/card-coolkey.c lacks a uniqueness check.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | opensc | 0.20.0-1 | — |
| Debian 13 | opensc | 0.20.0-1 | — |
| Debian 12 | opensc | 0.20.0-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 18.04 LTS | opensc | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8 | opensc | 0.20.0-2.el8 | RHSA-2020:4483 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP2 | opensc | 0.19.0-3.7.1 | SUSE-SU-2021:1168-1 |
| SLES 15 | opensc | 0.18.0-150000.3.23.1 | SUSE-SU-2022:1041-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 15 | opensc | 0.18.0-150000.3.23.1 | SUSE-SU-2022:1041-1 |
| SLE HPC 15 | opensc | 0.18.0-150000.3.23.1 | SUSE-SU-2022:1041-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | opensc | 0.22.0-3.1 | openSUSE-SU-2024:11643-1 |
| openSUSE Leap 15.2 | opensc | 0.19.0-lp152.3.3.1 | openSUSE-SU-2021:0565-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | opensc | 0.19.0-5.amzn2.0.1 | ALAS2-2023-2262 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 8 | opensc | 0.20.0-2.el8 | ELSA-2020-4483 |
Advisories 8
- SUSE-SU-2021:1168-1 Security update for opensc SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:11643-1 opensc-0.22.0-3.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2021:0565-1 Security update for opensc SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:1041-1 Security update for opensc SUSE / openSUSE Security Updates · Feb 4, 2026
- RHSA-2020:4483 Red Hat Security Advisory: opensc security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Nov 22, 2025
- WID-SEC-2023-2406 OpenSC: Schwachstelle ermöglicht Codeausführung BSI CERT-Bund (WID) · Sep 20, 2023
- ALAS2-2023-2262 Moderate: opensc security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Sep 20, 2023
- ELSA-2020-4483 Moderate: opensc security, bug fix, and enhancement update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Nov 10, 2020