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python 3.14.5rc1: vulnerabilidades conocidas · Página 2

Vulnerabilidades conocidas que afectan a python 3.14.5rc1: 27. Compara las versiones corregidas de abajo con la que tienes instalada.

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Vulnerabilidades: 27

  1. CVE-2026-3276

    Media · CVSS 6.3EPSS 0,49%Corrección disponible

    Potential DoS via quadratic complexity in unicodedata.normalize()

    unicodedata.normalize() can take excessive CPU time when processing specially crafted Unicode input containing long runs of combining characters with alternating Canonical Combining Class values. This affects all normalization forms.

    • Actualiza a 3.14.6
    Publicación Actualización
  2. CVE-2026-8328

    Media · CVSS 5.9EPSS 0,46%Corrección disponible

    FTP PASV SSRF, ftpcp() does not use actual peer address, trusts server-supplied PASV host address

    The ftpcp() function in Lib/ftplib.py was not updated when CVE-2021-4189 was fixed. While makepasv() was patched to replace server-supplied PASV host addresses with the actual peer address (getpeername()[0]), ftpcp() still calls parse227() directly and passes the raw attacker-controllable IP address and port to target.sendport(). This patch is related to CVE-2021-4189.

    • Actualiza a 3.14.6
    Publicación Actualización
  3. CVE-2026-7210

    Media · CVSS 6.3EPSS 0,67%Corrección disponible

    The expat and elementtree parsers use insufficient entropy for XML hash-flooding protection

    `xml.parsers.expat` and `xml.etree.ElementTree` use insufficient entropy for Expat hash-flooding protection, which allows a crafted XML document to trigger hash flooding.\r\n\r\nFully mitigating this vulnerability requires both updating libexpat to 2.8.0 or later and applying this patch.

    • Actualiza a 3.14.6
    Publicación Actualización
  4. CVE-2026-5713

    Media · CVSS 5.3EPSS 0,15%Corrección disponible

    Out-of-bounds read/write during remote profiling and asyncio process introspection when connecting to malicious target

    The "profiling.sampling" module (Python 3.15+) and "asyncio introspection capabilities" (3.14+, "python -m asyncio ps" and "python -m asyncio pstree") features could be used to read and write addresses in a privileged process if that process connected to a malicious or "infected" Python process via the remote debugging feature. This vulnerability requires persistently and repeatedly connecting to the process to be exploited, even after the connecting process crashes with high likelihood due to ASLR.

    • Actualiza a 3.14.5
    Publicación Actualización
  5. CVE-2025-15366

    Media · CVSS 5.9EPSS 0,43%Corrección disponible

    IMAP command injection in user-controlled commands

    The imaplib module, when passed a user-controlled command, can have additional commands injected using newlines. Mitigation rejects commands containing control characters.

    • Actualiza a 3.14.7
    Publicación Actualización
  6. CVE-2024-3220

    Baja · CVSS 2.3EPSS 0,6%Corrección disponible

    Default mimetype known files writeable on Windows

    There is a defect in the CPython standard library module “mimetypes” where on Windows the default list of known file locations are writable meaning other users can create invalid files to cause MemoryError to be raised on Python runtime startup or have file extensions be interpreted as the incorrect file type. This defect is caused by the default locations of Linux and macOS platforms (such as “/etc/mime.types”) also being used on Windows, where they are user-writable locations (“C:\etc\mime.types”). To work-around this issue a user can call mimetypes.init() with an empty list (“[]”) on Windows platforms to avoid using the default list of k

    • Actualiza a 3.14.9
    Publicación Actualización

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