CVE-2026-103531
5.1
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X
Summary
A flaw has been found in OpenSC up to 0.27.1. The impacted element is the function setcos_construct_fci_44 of the file src/libopensc/card-setcos.c. Executing a manipulation of the argument type_attr can lead to stack-based buffer overflow. The attack can be launched remotely. This patch is called ad730304052937c32b4eb489a06835ac6123632c. It is best practice to apply a patch to resolve this issue.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| n/a | OpenSC | 0.27.0 | affected |
| n/a | OpenSC | 0.27.1 | affected |
Weaknesses
- CWE-121: Stack-based Buffer Overflow
- CWE-119: Memory Corruption
References
- https://vuldb.com/vuln/412343
- https://vuldb.com/vuln/412343/cti
- https://vuldb.com/cve/CVE-2026-103531
- https://vuldb.com/submit/956910
- https://github.com/OpenSC/OpenSC/pull/3812
- https://github.com/OpenSC/OpenSC/commit/ad730304052937c32b4eb489a06835ac6123632c
- https://github.com/OpenSC/OpenSC/
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