Vendor

    Python-hyper

    5 known vulnerabilities in products by Python-hyper, 1 of them actively exploited (CISA KEV).

    Key figures

    5

    Vulnerabilities

    1

    Actively exploited (KEV)

    0

    Used by ransomware

    2

    Critical

    Vulnerabilities

    Actively exploited vulnerabilities (CISA KEV) first, then by priority. Click a column header to re-sort the table.

    Vulnerabilities in Python-hyper
    CriticalCVE-2026-111497

    Out-of-Bounds Write in Google Brotli Decoder

    In CISA KEValso in 15 other products

    8.1
    MediumCVE-2025-57804

    h2 allows HTTP Request Smuggling due to illegal characters in headers

    also in 1 other product

    —
    CriticalCVE-2025-43859

    h11 accepts some malformed Chunked-Encoding bodies

    9.1
    MediumCVE-2026-59980

    hpack: Unbounded variable integer decoding can cause run-away computation on malformed input

    —
    MediumCVE-2026-71554

    h2: Duplicate Host header could facilitate request smuggling

    5.3

    News