BIT-LIBPYTHON-2026-19553 SSLContext.wrap_bio() missing validation of server_hostname parameter

ssl.SSLContext.wrapbio didn't require the serverhostname argument to not be None if ssl.SSLContext.checkhostname was set. Due to a missing parameter check in SSLObject, if the serverhostname argument isn't supplied then hostname verification would be silently skipped. This defect could lead to...

BIT-LIBPYTHON-2026-19445 Use-after-free of a server-side SSLContext when sni_callback switches contexts

A remote, unauthenticated TLS client can make a server crash or call through a freed pointer if its snicallback assigns a different context to SSLSocket.context the documented way to select a certificate per server name and nothing else keeps the original ssl.SSLContext alive. Typical cases are...

BIT-LIBPYTHON-2026-12345 Race condition in tempfile.TemporaryDirectory cleanup allows deleting files outside the temporary directory

The cleanup of tempfile.TemporaryDirectory is vulnerable to a race condition. An attacker who can modify the tree during cleanup can replace a directory with a symbolic link, causing files outside of the temporary directory to be deleted or have their permissions and file flags reset, with the...

BIT-LIBPYTHON-2023-33595

CPython v3.12.0 alpha 7 was discovered to contain a heap use-after-free via the function asciidecode at /Objects/unicodeobject.c...

openSUSE Security Update : python (openSUSE-2020-1257)

This update for python fixes the following issues : - CVE-2019-20907: Avoid a possible infinite loop caused by specifically crafted tarballs bsc1174091. This update was imported from the SUSE:SLE-15:Update update project. C Tenable Network Security, Inc. The descriptive text and package checks in...

SUSE SLES12 Security Update : python (SUSE-SU-2020:1524-1)

This update for python to version 2.7.17 fixes the following issues : Syncing with lots of upstream bug fixes and security fixes. Bug fixes : CVE-2019-9674: Improved the documentation to reflect the dangers of zip-bombs bsc1162825. CVE-2019-18348: Fixed a CRLF injection via the host part of the u...

python security, bug fix, and enhancement update

2.4.3-43 - add missing patch 206 Related: rhbz549372 2.4.3-42 - fix testpyclbr to match the urllib change in patch 204 patch 206 - allow the 'noproxy' environment variable to override 'ftpproxy' in urllib2 patch 207 - fix typos in names of patches 204 and 205 Related: rhbz549372 2.4.3-41 - backpo...

Mandriva Linux Security Advisory : python (MDVSA-2008:013)

Multiple integer overflows were found in python's imageop module. If an application written in python used the imageop module to process untrusted images, it could cause the application to crash, enter an infinite loop, or possibly execute arbitrary code with the privileges of the python...