{
    "id": "CVE-2019-11419",
    "published": "2019-05-14 19:29:00",
    "last_modified": "2026-06-17 02:12:53",
    "cvss_score": "5.5",
    "cvss_severity": "MEDIUM",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
    "cwe": "CWE-476",
    "description": "vcodec2_hls_filter in libvoipCodec_v7a.so in the WeChat application through 7.0.3 for Android allows attackers to cause a denial of service (application crash) by replacing an emoji file (under the /sdcard/tencent/MicroMsg directory) with a crafted .wxgf file. The content of the replacement must be derived from the phone's IMEI. The crash occurs upon receiving a message that contains the replaced emoji.",
    "epss_score": "0.04025",
    "epss_percentile": "0.90283",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-10-03 18:17:22",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "tencent",
            "product": "wechat"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "46853",
            "title": "WeChat for Android 7.0.4 - 'vcodec2_hls_filter' Denial of Service",
            "date": "2019-05-16",
            "url": "https://www.exploit-db.com/exploits/46853"
        }
    ],
    "refs_list": [
        "http://packetstormsecurity.com/files/152947/WeChat-7.0.4-Denial-Of-Service.html",
        "https://awakened1712.github.io/hacking/hacking-wechat-dos/",
        "https://www.exploit-db.com/exploits/46853",
        "http://packetstormsecurity.com/files/152947/WeChat-7.0.4-Denial-Of-Service.html",
        "https://awakened1712.github.io/hacking/hacking-wechat-dos/",
        "https://www.exploit-db.com/exploits/46853"
    ]
}