libpython

Vulnerabilities (97)

• CVE-2021-4189MedAug 24, 2022
  affected >= 3.6.0, < 3.6.14fixed 3.6.14

  A flaw was found in Python, specifically in the FTP (File Transfer Protocol) client library in PASV (passive) mode. The issue is how the FTP client trusts the host from the PASV response by default. This flaw allows an attacker to set up a malicious FTP server that can trick FTP

• CVE-2021-28861HigAug 23, 2022
  affected >= 3.0.0, < 3.7.14fixed 3.7.14

  Python 3.x through 3.10 has an open redirection vulnerability in lib/http/server.py due to no protection against multiple (/) at the beginning of URI path which may leads to information disclosure. NOTE: this is disputed by a third party because the http.server.html documentation

• CVE-2022-26488HigMar 10, 2022
  affected < 3.7.13fixed 3.7.13

  In Python before 3.10.3 on Windows, local users can gain privileges because the search path is inadequately secured. The installer may allow a local attacker to add user-writable directories to the system search path. To exploit, an administrator must have installed Python for al

• CVE-2021-3733MedMar 10, 2022
  affected < 3.6.14fixed 3.6.14

  There's a flaw in urllib's AbstractBasicAuthHandler class. An attacker who controls a malicious HTTP server that an HTTP client (such as web browser) connects to, could trigger a Regular Expression Denial of Service (ReDOS) during an authentication request with a specially crafte

• CVE-2021-3737HigMar 4, 2022
  affected >= 3.6.0, < 3.6.14fixed 3.6.14

  A flaw was found in python. An improperly handled HTTP response in the HTTP client code of python may allow a remote attacker, who controls the HTTP server, to make the client script enter an infinite loop, consuming CPU time. The highest threat from this vulnerability is to syst

• CVE-2022-0391HigFeb 9, 2022
  affected < 3.6.14fixed 3.6.14

  A flaw was found in Python, specifically within the urllib.parse module. This module helps break Uniform Resource Locator (URL) strings into components. The issue involves how the urlparse method does not sanitize input and allows characters like '\r' and '\n' in the URL path. Th

• CVE-2021-3426MedMay 20, 2021
  affected < 2.7.18fixed 2.7.18

  There's a flaw in Python 3's pydoc. A local or adjacent attacker who discovers or is able to convince another local or adjacent user to start a pydoc server could access the server and use it to disclose sensitive information belonging to the other user that they would not normal

• CVE-2021-29921CriMay 6, 2021
  affected >= 3.8.0, < 3.8.12fixed 3.8.12

  In Python before 3,9,5, the ipaddress library mishandles leading zero characters in the octets of an IP address string. This (in some situations) allows attackers to bypass access control that is based on IP addresses.

• CVE-2021-23336MedFeb 15, 2021
  affected < 3.6.13fixed 3.6.13

  The package python/cpython from 0 and before 3.6.13, from 3.7.0 and before 3.7.10, from 3.8.0 and before 3.8.8, from 3.9.0 and before 3.9.2 are vulnerable to Web Cache Poisoning via urllib.parse.parse_qsl and urllib.parse.parse_qs by using a vector called parameter cloaking. When

• CVE-2021-3177CriJan 19, 2021
  affected < 3.6.13fixed 3.6.13

  Python 3.x through 3.9.1 has a buffer overflow in PyCArg_repr in _ctypes/callproc.c, which may lead to remote code execution in certain Python applications that accept floating-point numbers as untrusted input, as demonstrated by a 1e300 argument to c_double.from_param. This occu

• CVE-2020-27619CriOct 22, 2020
  affected >= 3.0.0, < 3.6.13fixed 3.6.13

  In Python 3 through 3.9.0, the Lib/test/multibytecodec_support.py CJK codec tests call eval() on content retrieved via HTTP.

• CVE-2020-26116HigSep 27, 2020
  affected >= 3.0.0, < 3.5.10fixed 3.5.10

  http.client in Python 3.x before 3.5.10, 3.6.x before 3.6.12, 3.7.x before 3.7.9, and 3.8.x before 3.8.5 allows CRLF injection if the attacker controls the HTTP request method, as demonstrated by inserting CR and LF control characters in the first argument of HTTPConnection.reque

• CVE-2020-15801CriJul 17, 2020
  affected >= 3.7.0, < 3.7.9fixed 3.7.9

  In Python 3.8.4, sys.path restrictions specified in a python38._pth file are ignored, allowing code to be loaded from arbitrary locations. The ._pth file (e.g., the python._pth file) is not affected.

• CVE-2020-15523HigJul 4, 2020
  affected >= 3.5.0, < 3.5.10fixed 3.5.10

  In Python 3.6 through 3.6.10, 3.7 through 3.7.8, 3.8 through 3.8.4rc1, and 3.9 through 3.9.0b4 on Windows, a Trojan horse python3.dll might be used in cases where CPython is embedded in a native application. This occurs because python3X.dll may use an invalid search path for pyth

• CVE-2020-14422MedJun 18, 2020
  affected >= 3.0.0, < 3.5.10fixed 3.5.10

  Lib/ipaddress.py in Python through 3.8.3 improperly computes hash values in the IPv4Interface and IPv6Interface classes, which might allow a remote attacker to cause a denial of service if an application is affected by the performance of a dictionary containing IPv4Interface or I

• CVE-2020-8492MedJan 30, 2020
  affected >= 2.7.0, < 2.7.18fixed 2.7.18

  Python 2.7 through 2.7.17, 3.5 through 3.5.9, 3.6 through 3.6.10, 3.7 through 3.7.6, and 3.8 through 3.8.1 allows an HTTP server to conduct Regular Expression Denial of Service (ReDoS) attacks against a client because of urllib.request.AbstractBasicAuthHandler catastrophic backtr

• CVE-2020-8315MedJan 28, 2020
  affected >= 3.6.0, < 3.6.11fixed 3.6.11

  In Python (CPython) 3.6 through 3.6.10, 3.7 through 3.7.6, and 3.8 through 3.8.1, an insecure dependency load upon launch on Windows 7 may result in an attacker's copy of api-ms-win-core-path-l1-1-0.dll being loaded and used instead of the system's copy. Windows 8 and later are u