Gentoo Linux Security Advisory 201705-5 - Multiple vulnerabilities have been found in FFmpeg, the worst of which allows remote attackers to execute arbitrary code. Versions less than 3.2.4 are affected.
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Red Hat Security Advisory 2017-1208-01 - JasPer is an implementation of Part 1 of the JPEG 2000 image compression standard. Security Fix: Multiple flaws were found in the way JasPer decoded JPEG 2000 image files. A specially crafted file could cause an application using JasPer to crash or, possibly, execute arbitrary code.
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