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
Weakness
The code uses a variable that has not been initialized, leading to unpredictable or unintended results.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Opensc | Ubuntu | esm-apps/xenial | * |
| Opensc | Ubuntu | upstream | * |
Potential Mitigations
References
- https://access.redhat.com/security/cve/CVE-2025-13763
- https://bugzilla.redhat.com/show_bug.cgi?id=2417581
- https://github.com/OpenSC/OpenSC/security/advisories/GHSA-2v44-fq35-98vv
- https://github.com/OpenSC/OpenSC/wiki/CVE-2025-13763
- https://github.com/OpenSC/OpenSC/security/advisories/GHSA-2v44-fq35-98vv