Gentoo: GLSA-201612-37: Pixman: Buffer overflow
Summary
In pixman-general, careless computations done with the 'dest_buffer' pointer may overflow, failing the buffer upper limit check.
Resolution
All Pixman users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=x11-libs/pixman-0.32.8"
References
[ 1 ] Pixman 0.32.8 Release Notes https://lists.x.org/archives/xorg-announce/2015-September/002637.html
Availability
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/201612-37
Concerns
Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.
![Dist Gentoo](/images/distros/dist-gentoo.png)
Synopsis
A buffer overflow in Pixman might allow remote attackers to execute arbitrary code.
Background
Pixman is a pixel manipulation library.
Affected Packages
------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 x11-libs/pixman < 0.32.8 >= 0.32.8
Impact
===== A remote attacker could possibly cause a Denial of Service condition, or execute arbitrary code with the privileges of the process.
Workaround
There is no known workaround at this time.