{"id":"CVE-2026-103531","published":"2026-10-01T01:16:35.963","lastModified":"2026-10-06T01:16:33.190","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.","cvssScore":5.5,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L","cwes":["CWE-119","CWE-121"],"vendors":[],"products":[],"references":[{"url":"https://github.com/OpenSC/OpenSC/","tags":[]},{"url":"https://github.com/OpenSC/OpenSC/commit/ad730304052937c32b4eb489a06835ac6123632c","tags":[]},{"url":"https://github.com/OpenSC/OpenSC/pull/3812","tags":[]},{"url":"https://vuldb.com/cve/CVE-2026-103531","tags":[]},{"url":"https://vuldb.com/submit/956910","tags":[]},{"url":"https://vuldb.com/vuln/412343","tags":[]},{"url":"https://vuldb.com/vuln/412343/cti","tags":[]}],"exploitRefs":[{"url":"https://github.com/OpenSC/OpenSC/","tags":[]},{"url":"https://github.com/OpenSC/OpenSC/commit/ad730304052937c32b4eb489a06835ac6123632c","tags":[]},{"url":"https://github.com/OpenSC/OpenSC/pull/3812","tags":[]}],"hasPoc":true,"ai":null}