CVE-2026-103531

5.5 MEDIUMpublic exploit available

Published 2026-10-01 · Updated 2026-10-06

AI analysis for this CVE has not been generated yet. Raw NVD data is shown below.

NVD description

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L

Weaknesses

CWE-119, CWE-121

Public exploit & PoC references

https://github.com/OpenSC/OpenSC/
https://github.com/OpenSC/OpenSC/commit/ad730304052937c32b4eb489a06835ac6123632c
https://github.com/OpenSC/OpenSC/pull/3812

All references

https://github.com/OpenSC/OpenSC/
https://github.com/OpenSC/OpenSC/commit/ad730304052937c32b4eb489a06835ac6123632c
https://github.com/OpenSC/OpenSC/pull/3812
https://vuldb.com/cve/CVE-2026-103531
https://vuldb.com/submit/956910
https://vuldb.com/vuln/412343
https://vuldb.com/vuln/412343/cti

Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.

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