WebAssembly Binaryen wasm-binary.cpp readExport heap-based overflow_CVE-2025-14956

{
    "lastseen": "",
    "description": "A vulnerability was determined in WebAssembly Binaryen up to 125. Affected by this issue is the function WasmBinaryReader::readExport of the file src/wasm/wasm-binary.cpp. This manipulation causes heap-based buffer overflow. It is possible to launch the attack on the local host. The exploit has been publicly disclosed and may be utilized. Patch name: 4f52bff8c4075b5630422f902dd92a0af2c9f398. It is recommended to apply a patch to fix this issue.",
    "published": "2025-12-19T16:32:12.536Z",
    "modified": "2025-12-19T16:32:12.536Z",
    "type": "cve",
    "title": "WebAssembly Binaryen wasm-binary.cpp readExport heap-based overflow",
    "source": "VulDB",
    "references": "https://vuldb.com/?id.337592\nhttps://vuldb.com/?ctiid.337592\nhttps://vuldb.com/?submit.717315\nhttps://github.com/WebAssembly/binaryen/issues/8089\nhttps://github.com/WebAssembly/binaryen/pull/8092\nhttps://github.com/oneafter/1204/blob/main/hbf\nhttps://github.com/WebAssembly/binaryen/commit/4f52bff8c4075b5630422f902dd92a0af2c9f398",
    "id": "CVE-2025-14956",
    "bulletinFamily": "",
    "cwe": [
        "CWE-122",
        "CWE-119"
    ],
    "cvelist": null,
    "sourceData": "WebAssembly Binaryen 125",
    "sourceHref": "",
    "cvss": {
        "score": 4.8,
        "severity": "MEDIUM",
        "vector": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P",
        "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": "Binaryen",
    "version": "125",
    "vendor": "WebAssembly",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}