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Sicherheit: Denial of Service in python-cjson
Aktuelle Meldungen Distributionen
Name: Denial of Service in python-cjson
ID: FEDORA-2017-7803508155
Distribution: Fedora
Plattformen: Fedora 25
Datum: So, 26. Februar 2017, 12:47
Referenzen: Keine Angabe

Originalnachricht

Name        : python-cjson
Product : Fedora 25
Version : 1.1.0
Release : 9.fc25
URL : https://pypi.python.org/pypi/python-cjson
Summary : Fast JSON encoder/decoder for Python
Description :
This module implements a very fast JSON encoder/decoder for Python.

JSON stands for JavaScript Object Notation and is a text based lightweight
data exchange format which is easy for humans to read/write and for machines
to parse/generate. JSON is completely language independent and has multiple
implementations in most of the programming languages, making it ideal for
data exchange and storage.

The module is written in C and it is up to 250 times faster when compared to
the other python JSON implementations which are written directly in python.
This speed gain varies with the complexity of the data and the operation and
is the the range of 10-200 times for encoding operations and in the range of
100-250 times for decoding operations.

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Update Information:

This update prevents `python-cjson` from crashing when attempting to parse
heavily nested JSON structures (which could be exploited for denial of service
purposes, against any application that uses `python-cjson` to parse arbitrary
input).
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade python-cjson' at the command line.
For more information, refer to the dnf documentation available at
http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label

All packages are signed with the Fedora Project GPG key. More details on the
GPG keys used by the Fedora Project can be found at
https://fedoraproject.org/keys
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