10 - RHSA-2016:2586

Problem Description:

An update for python is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Low. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux Client (v. 7) - x86_64 Red Hat Enterprise Linux Client Optional (v. 7) - x86_64 Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64 Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64 Red Hat Enterprise Linux Server (v. 7) - aarch64, ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Server Optional (v. 7) - aarch64, ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Workstation (v. 7) - x86_64 Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64

3. Description:

Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to many system calls and libraries, as well as to various windowing systems.

Security Fix(es):

* A vulnerability was discovered in Python, in the built-in zipimporter. A specially crafted zip file placed in a module path such that it would be loaded by a later "import" statement could cause a heap overflow, leading to arbitrary code execution. (CVE-2016-5636)

Additional Changes:

For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.3 Release Notes linked from the References section.

4. Solution:

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

5. Bugs fixed (https://bugzilla.redhat.com/):

1268310 - man page contains $Date$ instead of actual date 1271760 - Python 2.7 installation is not 64 bit clean 1288426 - /etc/tmpfiles.d/python.conf shipped when /etc/tmpfiles.d is reserved for the local administrator 1295459 - python-2.7.5-34 breaks hashlib (md4) 1301017 - I'm hit by Python bug #11489, could the fix be backported? 1313259 - Upstream tests cause building python package on brew stall and leave orphan processes that need manually kill 1315310 - Python brew builds fail for RHEL 7.3 1315758 - Update to the most recent version of PEP493 1331425 - Segmentation fault in sslwrap function 1345856 - CVE-2016-5636 python: Heap overflow in zipimporter module