{
    "id": "CVE-2016-5080",
    "published": "2016-07-19 22:59:01",
    "last_modified": "2026-06-17 00:48:43",
    "cvss_score": "9.8",
    "cvss_severity": "CRITICAL",
    "cvss_version": "3.0",
    "cvss_vector": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
    "cwe": null,
    "description": "Integer overflow in the rtxMemHeapAlloc function in asn1rt_a.lib in Objective Systems ASN1C for C/C++ before 7.0.2 allows context-dependent attackers to execute arbitrary code or cause a denial of service (heap-based buffer overflow), on a system running an application compiled by ASN1C, via crafted ASN.1 data.",
    "epss_score": "0.10064",
    "epss_percentile": "0.95501",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-05 18:17:14",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "EPSS 10.1% — above the 10% action threshold."
    },
    "products": [
        {
            "vendor": "objective_systems",
            "product": "asn1c"
        }
    ],
    "kev_detail": null,
    "exploits": [],
    "refs_list": [
        "http://packetstormsecurity.com/files/137970/Objective-Systems-Inc.-ASN1C-For-C-C-Heap-Memory-Corruption.html",
        "http://seclists.org/fulldisclosure/2016/Jul/65",
        "http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160721-asn1c",
        "http://www.kb.cert.org/vuls/id/790839",
        "http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html",
        "http://www.securityfocus.com/archive/1/538952/100/0/threaded",
        "http://www.securityfocus.com/bid/91836",
        "http://www.securitytracker.com/id/1036386",
        "https://github.com/programa-stic/security-advisories/tree/master/ObjSys/CVE-2016-5080",
        "https://source.android.com/security/bulletin/2017-01-01.html",
        "https://www.ncsc.nl/dienstverlening/response-op-dreigingen-en-incidenten/beveiligingsadviezen/NCSC-2016-0650+1.00+Kwetsbaarheid+verholpen+in+ASN1C.html",
        "http://packetstormsecurity.com/files/137970/Objective-Systems-Inc.-ASN1C-For-C-C-Heap-Memory-Corruption.html",
        "http://seclists.org/fulldisclosure/2016/Jul/65",
        "http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160721-asn1c",
        "http://www.kb.cert.org/vuls/id/790839",
        "http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html",
        "http://www.securityfocus.com/archive/1/538952/100/0/threaded",
        "http://www.securityfocus.com/bid/91836",
        "http://www.securitytracker.com/id/1036386",
        "https://github.com/programa-stic/security-advisories/tree/master/ObjSys/CVE-2016-5080",
        "https://source.android.com/security/bulletin/2017-01-01.html",
        "https://www.ncsc.nl/dienstverlening/response-op-dreigingen-en-incidenten/beveiligingsadviezen/NCSC-2016-0650+1.00+Kwetsbaarheid+verholpen+in+ASN1C.html"
    ]
}