Heap out-of-bounds write via odd slice_height in FFmpeg MagicYUV decoder_CVE-2026-8461

{
    "lastseen": "",
    "description": "An out-of-bounds write vulnerability in FFmpeg's libavcodec library, specifically in the MagicYUV decoder, allows denial-of-service and, in some cases, can be exploited for remote code execution.\n\n This vulnerability is associated with the file libavcodec/magicyuv.C.\n\n\n\nThis issue affects FFmpeg before version 8.1.2.",
    "published": "2026-06-18T11:29:00.668Z",
    "modified": "2026-06-19T03:55:41.539Z",
    "type": "cve",
    "title": "Heap out-of-bounds write via odd slice_height in FFmpeg MagicYUV decoder",
    "source": "JFROG",
    "references": "https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/23159",
    "id": "CVE-2026-8461",
    "bulletinFamily": "",
    "cwe": [
        "CWE-787"
    ],
    "cvelist": null,
    "sourceData": "FFmpeg FFmpeg 0",
    "sourceHref": "",
    "cvss": {
        "score": 8.8,
        "severity": "HIGH",
        "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
        "version": "3.1"
    },
    "cvss2": [],
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        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
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        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "FFmpeg",
    "version": "0",
    "vendor": "FFmpeg",
    "ai_description": "",
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    "ai_score": 0
}