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USN-5436-1: libXrender vulnerabilities

23 May 2022

Several security issues were fixed in libXrender.



  • libxrender - X11 Rendering Extension client library


Tobias Stoeckmann discovered that libXrender incorrectly handled certain
responses. An attacker could possibly use this issue to cause a denial
of service, or possibly execute arbitrary code.
(CVE-2016-7949, CVE-2016-7950)

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 16.04

In general, a standard system update will make all the necessary changes.