CVE-2026-42996_CVE-2026-42996

{
    "lastseen": "",
    "description": "JS8Call through 2.3.1 and JS8Call-improved before 3.0 have a stack-based buffer overflow via a radio transmission of @APRSIS GRID followed by a long Maidenhead locator. This occurs in grid2deg in APRSISClient.cpp.",
    "published": "2026-05-01T06:42:58.858Z",
    "modified": "2026-05-01T06:55:48.483Z",
    "type": "cve",
    "title": "CVE-2026-42996",
    "source": "mitre",
    "references": "https://github.com/JS8Call-improved/JS8Call-improved/security/advisories/GHSA-98hp-pjp7-w62x\nhttps://amateur-radio-resources.sourceforge.io/PDF/JS8APRS.pdf\nhttps://github.com/js8call/js8call/blob/fd721e8b67eed84cb3c09d018205ab9a53e1a8b1/APRSISClient.cpp#L89-L102",
    "id": "CVE-2026-42996",
    "bulletinFamily": "",
    "cwe": [
        "CWE-121"
    ],
    "cvelist": null,
    "sourceData": "JS8Call JS8Call 0\nJS8Call-improved JS8Call-improved 0",
    "sourceHref": "",
    "cvss": {
        "score": 10,
        "severity": "CRITICAL",
        "vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/S:P/AU:Y/R:U/V:D/RE:M/U:Green",
        "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": "JS8Call",
    "version": "0",
    "vendor": "JS8Call",
    "ai_description": "Stack-based buffer overflow in JS8Call via radio transmission of @APRSIS GRID followed by a long Maidenhead locator",
    "ai_severity": "Critical",
    "ai_vendor": "JS8Call",
    "ai_product": "JS8Call",
    "ai_version": "2.3.1, 3.0",
    "ai_score": 10
}