Infinite loop in HTTP/2 transport when given bad SETTINGS_MAX_FRAME_SIZE in net/http/internal/http2 in golang.org/x/net_CVE-2026-33814

{
    "lastseen": "",
    "description": "When processing HTTP/2 SETTINGS frames, transport will enter an infinite loop of writing CONTINUATION frames if it receives a SETTINGS_MAX_FRAME_SIZE with a value of 0.",
    "published": "2026-05-07T19:41:17.631Z",
    "modified": "2026-05-08T18:01:02.989Z",
    "type": "cve",
    "title": "Infinite loop in HTTP/2 transport when given bad SETTINGS_MAX_FRAME_SIZE in net/http/internal/http2 in golang.org/x/net",
    "source": "Go",
    "references": "https://go.dev/cl/761581\nhttps://go.dev/cl/761640\nhttps://go.dev/issue/78476\nhttps://groups.google.com/g/golang-announce/c/qcCIEXso47M\nhttps://pkg.go.dev/vuln/GO-2026-4918",
    "id": "CVE-2026-33814",
    "bulletinFamily": "",
    "cwe": null,
    "cvelist": null,
    "sourceData": "golang.org/x/net golang.org/x/net/http2 0\nGo standard library net/http 0\nGo standard library net/http 1.26.0-0",
    "sourceHref": "",
    "cvss": {
        "score": 7.5,
        "severity": "HIGH",
        "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
        "version": "3.1"
    },
    "cvss2": [],
    "cvss3": {
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        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
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        "attackComplexity": "",
        "privilegesRequired": "",
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        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
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            "baseScore": 0,
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            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "golang.org/x/net/http2",
    "version": "0",
    "vendor": "golang.org/x/net",
    "ai_description": "",
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    "ai_score": 0
}