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Product · pyca

pyopenssl

2 known vulnerabilities.

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  • High 7.2
    CVE-2026-27459

    pyOpenSSL DTLS cookie callback buffer overflow

    pyOpenSSL is a Python wrapper around the OpenSSL library. Starting in version 22.0.0 and prior to version 26.0.0, if a user provided callback to `set_cookie_generate_callback` returned a cookie value greater than 256 bytes, pyOpenSSL would overflow an OpenSSL…

    pyca pyopenssl pyopenssl pyopenssl Debian Ubuntu Alpine PyPI