USN-3142-1 fixed vulnerabilities in ImageMagick. The security fixes introduced a regression with text labels and a regression with the text coder. This update fixes the problem.
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Original advisory details:
It was discovered that ImageMagick incorrectly handled certain malformed image files. If a user or automated system using ImageMagick were tricked into opening a specially crafted image, an attacker could exploit this to cause a denial of service or possibly execute code with the privileges of the user invoking the program.