Red Hat Bugzilla – Bug 1476300
CVE-2017-11722 GraphicsMagick: Out-of-bounds read in the WriteOnePNGImage function
Last modified: 2017-07-28 10:51:45 EDT
The WriteOnePNGImage function in coders/png.c in GraphicsMagick 1.3.26 allows attackers to cause a denial of service (out-of-bounds read and application crash) via a crafted file, because the program's actual control flow was inconsistent with its indentation. This resulted in a logging statement executing outside of a loop, and consequently using an invalid array index corresponding to the loop's exit condition.
Created GraphicsMagick tracking bugs for this issue:
Affects: epel-all [bug 1475494]
Affects: fedora-all [bug 1475495]