CVE-2013-1753

Publication date 4 June 2015

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

The gzip_decode function in the xmlrpc client library in Python 3.4 and earlier allows remote attackers to cause a denial of service (memory consumption) via a crafted HTTP request.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
python2.7	15.04 vivid	Not affected
	14.10 utopic	Fixed 2.7.8-10ubuntu1.1
	14.04 LTS trusty	Fixed 2.7.6-8ubuntu0.2
	12.04 LTS precise	Fixed 2.7.3-0ubuntu3.8
python3.2	15.04 vivid	Not in release
	14.10 utopic	Not in release
	14.04 LTS trusty	Not in release
	12.04 LTS precise	Fixed 3.2.3-0ubuntu3.7
python3.4	15.04 vivid	Not affected
	14.10 utopic	Fixed 3.4.2-1ubuntu0.1
	14.04 LTS trusty	Fixed 3.4.0-2ubuntu1.1
	12.04 LTS precise	Not in release

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
python2.7	Upstream: https://hg.python.org/cpython/rev/d50096708b2d
python3.2	Upstream: https://hg.python.org/cpython/rev/a0368f81af9a
python3.4	Upstream: https://hg.python.org/cpython/rev/6b83e21c8679

Severity score breakdown

Parameter	Value
Base score	7.5 · High
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

USN-2653-1
Python vulnerabilities
25 June 2015