Excessive read buffering DoS in http.client_CVE-2025-13836

{
    "lastseen": "",
    "description": "When reading an HTTP response from a server, if no read amount is specified, the default behavior will be to use Content-Length. This allows a malicious server to cause the client to read large amounts of data into memory, potentially causing OOM or other DoS.",
    "published": "2025-12-01T18:02:38.483Z",
    "modified": "2025-12-01T19:00:52.546Z",
    "type": "cve",
    "title": "Excessive read buffering DoS in http.client",
    "source": "PSF",
    "references": "https://github.com/python/cpython/issues/119451\nhttps://github.com/python/cpython/pull/119454\nhttps://github.com/python/cpython/commit/4ce27904b597c77d74dd93f2c912676021a99155\nhttps://github.com/python/cpython/commit/5a4c4a033a4a54481be6870aa1896fad732555b5",
    "id": "CVE-2025-13836",
    "bulletinFamily": "",
    "cwe": null,
    "cvelist": null,
    "sourceData": "Python Software Foundation CPython 0",
    "sourceHref": "",
    "cvss": {
        "score": 6.3,
        "severity": "MEDIUM",
        "vector": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L",
        "version": "4.0"
    },
    "cvss2": [],
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        "baseScore": 0,
        "baseSeverity": "",
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        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
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    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "CPython",
    "version": "0",
    "vendor": "Python Software Foundation",
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    "ai_score": 0
}