Description
Multiple uses of uninitialized variables were found in libopensc that may lead to information disclosure or application crash. An attack requires a crafted USB device or smart card that would present the system with specially crafted responses to the APDUs
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| OpenSC | OpenSC | < 0.27.0 | 0.27.0 |
| Red Hat | Red Hat Enterprise Linux 10 | — | — |
| Red Hat | Red Hat Enterprise Linux 7 | — | — |
| Red Hat | Red Hat Enterprise Linux 8 | — | — |
| Red Hat | Red Hat Enterprise Linux 9 | — | — |
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 | 0.27.0~rc1-1 | — |
| Debian 13 | opensc | No fix yet | — |
| Debian 12 | opensc | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | opensc | No fix yet | — |
| Ubuntu 26.04 LTS | opensc | No fix yet | — |
| Ubuntu 25.10 | opensc | No fix yet | — |
Show 5 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 24.04 LTS | opensc | No fix yet | — |
| Ubuntu Pro 22.04 LTS | opensc | No fix yet | — |
| Ubuntu Pro 20.04 LTS | opensc | No fix yet | — |
| Ubuntu Pro 18.04 LTS | opensc | No fix yet | — |
| Ubuntu Pro 16.04 LTS | opensc | No fix yet | — |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | opensc | 0.27.1-1.1 | openSUSE-SU-2026:10475-1 |
Advisories 2
- WID-SEC-2026-0917 OpenSC: Mehrere Schwachstellen ermöglichen nicht spezifizierten Angriff BSI CERT-Bund (WID) · Jun 30, 2026
- openSUSE-SU-2026:10475-1 opensc-0.27.1-1.1 on GA media SUSE / openSUSE Security Updates · Apr 2, 2026