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CVE-2013-6424

Publication date 18 January 2014

Last updated 24 July 2024

Ubuntu priority

Low

Why this priority?

Integer underflow in the xTrapezoidValid macro in render/picture.h in X.Org allows context-dependent attackers to cause a denial of service (crash) via a negative bottom value.

Read the notes from the security team

Status

Package Ubuntu Release Status
xorg 14.10 utopic
Not affected
14.04 LTS trusty Not in release
13.10 saucy
Not affected
13.04 raring
Not affected
12.10 quantal
Not affected
12.04 LTS precise
Not affected
10.04 LTS lucid
Not affected
xorg-server 14.10 utopic
Not affected
14.04 LTS trusty
Not affected
13.10 saucy
Not affected
13.04 raring Ignored end of life
12.10 quantal Ignored end of life
12.04 LTS precise
Fixed 2:1.11.4-0ubuntu10.17
10.04 LTS lucid Ignored end of life

Notes

mdeslaur

xorg server is actually the xorg-server package the xorg package only contains docs

jdstrand

patch is straightforward but not yet accepted upstream. Open upstream questions as of 2013/12/18 package for Ubuntu 13.10 is available in saucy-proposed downgrading to low since pixman is already fixed, based on bug feedback

Patch details

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

Package Patch details
xorg-server

References

Related Ubuntu Security Notices (USN)

    • USN-2500-1
    • X.Org X server vulnerabilities
    • 17 February 2015

Other references