OpenSC < 0.27.0-rc1 Stack Buffer Overflow via piv_process_history() in card-piv.c_CVE-2026-40510

{
    "lastseen": "",
    "description": "OpenSC before 0.27.0-rc1, fixed in commit 3f24f0b, contains a stack buffer overflow vulnerability in piv_process_history() in src/libopensc/card-piv.c that allows physically present attackers to trigger memory corruption by presenting a crafted PIV smart card or USB device returning a URL field longer than 118 bytes in the Key History Object ASN.1 response.",
    "published": "2026-05-29T13:26:40.459Z",
    "modified": "2026-05-29T13:39:29.643Z",
    "type": "cve",
    "title": "OpenSC < 0.27.0-rc1 Stack Buffer Overflow via piv_process_history() in card-piv.c",
    "source": "VulnCheck",
    "references": "https://github.com/OpenSC/OpenSC/pull/3558\nhttps://github.com/OpenSC/OpenSC/commit/3f24f0b48a481a8cf2e46059d8238a283ddc1c13\nhttps://www.vulncheck.com/advisories/opensc-stack-buffer-overflow-via-piv-process-history-in-card-piv-c",
    "id": "CVE-2026-40510",
    "bulletinFamily": "",
    "cwe": [
        "CWE-121"
    ],
    "cvelist": null,
    "sourceData": "OpenSC OpenSC 0\nOpenSC OpenSC 0",
    "sourceHref": "",
    "cvss": {
        "score": 1,
        "severity": "LOW",
        "vector": "CVSS:4.0/AV:P/AC:H/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N",
        "version": "4.0"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
            "attackVector": "",
            "attackComplexity": "",
            "privilegesRequired": "",
            "userInteraction": "",
            "scope": "",
            "confidentialityImpact": "",
            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "OpenSC",
    "version": "0",
    "vendor": "OpenSC",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}