REDHAT-BUG-582601: High severity x.org x server vulnerability
A memory corruption flaw was discovered in Xorg X server's Render extension. Problem originally reported as Firefox crashing X server issue was tracked down to an incorrect calculation issue in mod() macro by Olivier Fourdan:
https://bugzilla.redhat.com/showbug.cgi?id=495733#c15
This issue could cause mod() to return value greater than its second argument (the divisor), resulting in excessive read and write in Render composite operation, causing heap or video memory corruption.
Affected Software
Event History
Frequently Asked Questions
What is the severity of REDHAT-BUG-582601?
The severity of REDHAT-BUG-582601 is considered high due to the potential for memory corruption leading to crashes.
How do I fix REDHAT-BUG-582601?
To fix REDHAT-BUG-582601, you should update the Xorg X server to the latest version provided by your distribution.
What systems are affected by REDHAT-BUG-582601?
REDHAT-BUG-582601 primarily affects systems running the Xorg X server.
What issues can REDHAT-BUG-582601 cause?
REDHAT-BUG-582601 can cause crashes in the X server, affecting user sessions and application stability.
Is there a patch available for REDHAT-BUG-582601?
Yes, a patch for REDHAT-BUG-582601 is available in the latest updates from the Xorg project.