Panic when reading out of bound palette index in golang.org/x/image/bmp_CVE-2026-42500

{
    "lastseen": "",
    "description": "Decoding a paletted BMP file with an out-of-range palette index results in a panic when accessing pixels in the invalid image.",
    "published": "2026-05-29T18:36:28.283Z",
    "modified": "2026-05-29T19:51:38.147Z",
    "type": "cve",
    "title": "Panic when reading out of bound palette index in golang.org/x/image/bmp",
    "source": "Go",
    "references": "https://go.dev/issue/79576\nhttps://groups.google.com/g/golang-announce/c/uhYX90BlBvI\nhttps://go.dev/cl/781500\nhttps://pkg.go.dev/vuln/GO-2026-5031",
    "id": "CVE-2026-42500",
    "bulletinFamily": "",
    "cwe": null,
    "cvelist": null,
    "sourceData": "golang.org/x/image golang.org/x/image/bmp 0",
    "sourceHref": "",
    "cvss": {
        "score": 5.3,
        "severity": "MEDIUM",
        "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
        "version": "3.1"
    },
    "cvss2": [],
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        "baseScore": 0,
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    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "golang.org/x/image/bmp",
    "version": "0",
    "vendor": "golang.org/x/image",
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}