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OpenAdvisories

Vendor

Python Software Foundation

81 known vulnerabilities.

Products

CPython 80 pymanager 1
All Critical High Medium Low Exploited only Public exploit

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  • High 7.6
    CVE-2026-19553 Public exploit

    SSLContext.wrap_bio() missing validation of server_hostname parameter

    ssl.SSLContext.wrap_bio() didn't require the server_hostname argument to not be None if ssl.SSLContext.check_hostname was set. Due to a missing parameter check in SSLObject, if the server_hostname argument isn't supplied then hostname verification would be si…

    Python Software Foundation CPython python3.4 python3.5 Debian Ubuntu Alpine
  • High 7.5
    CVE-2025-4138 Public exploit

    Bypassing extraction filter to create symlinks to arbitrary targets outside extraction directory

    Allows the extraction filter to be ignored, allowing symlink targets to point outside the destination directory, and the modification of some file metadata. You are affected by this vulnerability if using the tarfile module to extract untrusted tar archives u…

    Python Software Foundation CPython pypy3 python3.12 Debian Ubuntu Alpine
  • High 7.5
    CVE-2024-6232 Public exploit

    Regular-expression DoS when parsing TarFile headers

    There is a MEDIUM severity vulnerability affecting CPython. Regular expressions that allowed excessive backtracking during tarfile.TarFile header parsing are vulnerable to ReDoS via specifically-crafted tar archives.

    Python Software Foundation CPython python3.4 python3.5 Debian Ubuntu Alpine