libpng contains a flaw in the handling of PNG files. The issue is due to an error within the 'png_handle_sCAL()' function in pngrutil.c when handling certain sCAL chunks. With a specially crafted PNG file, a context-dependent attacker can corrupt memory to cause a denial of service or potentially execute arbitrary code.
Loss of Availability
Upgrade to version 1.0.55, 1.2.45, 1.4.8, 1.5.3beta11, 1.5.4 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.
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