CVE-2026-40510

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{"bugzilla": {"description": "opensc: OpenSC: Memory corruption via crafted PIV smart card", "id": "2483280", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2483280"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.3", "cvss3_scoring_vector": "CVSS:3.1/AV:P/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-120", "details": ["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.", "A flaw was found in OpenSC. A physically present attacker can exploit a stack buffer overflow vulnerability in the `piv_process_history()` function by presenting a specially crafted Personal Identity Verification (PIV) smart card or USB device. This can lead to memory corruption within the system, potentially causing instability or unexpected behavior."], "name": "CVE-2026-40510", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "opensc", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "opensc", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "opensc", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "opensc", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-05-29T13:26:40Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-40510\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-40510\nhttps://github.com/OpenSC/OpenSC/commit/3f24f0b48a481a8cf2e46059d8238a283ddc1c13\nhttps://github.com/OpenSC/OpenSC/pull/3558\nhttps://www.vulncheck.com/advisories/opensc-stack-buffer-overflow-via-piv-process-history-in-card-piv-c"], "threat_severity": "Moderate"}

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