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CVE-2012-1150

Publication date 9 March 2012

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Python before 2.6.8, 2.7.x before 2.7.3, 3.x before 3.1.5, and 3.2.x before 3.2.3 computes hash values without restricting the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted input to an application that maintains a hash table.

Read the notes from the security team

Status

Package Ubuntu Release Status
python2.4 12.10 quantal Not in release
12.04 LTS precise Not in release
11.10 oneiric Not in release
11.04 natty Not in release
10.10 maverick Not in release
10.04 LTS lucid Not in release
8.04 LTS hardy Ignored
python2.5 12.10 quantal Not in release
12.04 LTS precise Not in release
11.10 oneiric Not in release
11.04 natty Not in release
10.10 maverick Not in release
10.04 LTS lucid Not in release
8.04 LTS hardy Ignored
python2.6 12.10 quantal Not in release
12.04 LTS precise Not in release
11.10 oneiric
Fixed 2.6.7-4ubuntu1.1
11.04 natty
Fixed 2.6.6-6ubuntu7.1
10.10 maverick Ignored end of life
10.04 LTS lucid
Fixed 2.6.5-1ubuntu6.1
8.04 LTS hardy Not in release
python2.7 12.10 quantal
Not affected
12.04 LTS precise
Not affected
11.10 oneiric
Fixed 2.7.2-5ubuntu1.1
11.04 natty
Fixed 2.7.1-5ubuntu2.2
10.10 maverick Ignored end of life
10.04 LTS lucid Not in release
8.04 LTS hardy Not in release
python3.1 12.10 quantal Not in release
12.04 LTS precise Not in release
11.10 oneiric Not in release
11.04 natty
Fixed 3.1.3-1ubuntu1.2
10.10 maverick Ignored end of life
10.04 LTS lucid
Fixed 3.1.2-0ubuntu3.2
8.04 LTS hardy Not in release
python3.2 12.10 quantal
Not affected
12.04 LTS precise
Not affected
11.10 oneiric
Fixed 3.2.2-0ubuntu1.1
11.04 natty
Fixed 3.2-1ubuntu1.2
10.10 maverick Not in release
10.04 LTS lucid Not in release
8.04 LTS hardy Not in release

Notes

jdstrand

patch does not change the default, so the risk of backporting to python2.5 and python2.4 outweighs the benefit of adding the patch. Ubuntu 8.04 LTS who require this patch should upgrade to Ubuntu 10.04 LTS or another supported release. the patch for 3.2 on oneiric is somewhere between the upstream 3.1 and 3.2 patches. Specifically, need the Modules/_datetimemodule.c changes

Patch details

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

Package Patch details
python2.6
python2.7
python3.1
python3.2

References

Related Ubuntu Security Notices (USN)

    • USN-1592-1
    • Python 2.7 vulnerabilities
    • 2 October 2012
    • USN-1616-1
    • Python 3.1 vulnerabilities
    • 24 October 2012
    • USN-1615-1
    • Python 3.2 vulnerabilities
    • 23 October 2012
    • USN-1596-1
    • Python 2.6 vulnerabilities
    • 4 October 2012

Other references