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ImageMagick before 6.9.13-56 and 7.x before 7.1.2-31 allows a security policy bypass when a policy uses coder, rather than module, as its domain. An attacker can supply a crafted image to evade coder-based policy restrictions, causing ImageMagick to process formats the administrator intended to block.

ImageMagick before 6.9.13-56 and 7.x before 7.1.2-31 contains a code injection vulnerability in its PostScript coders, because some values are not properly escaped or trimmed when written to output. Attackers can supply crafted values that embed arbitrary PostScript code into files generated by these coders.

ImageMagick before 6.9.13-56 and 7.x before 7.1.2-31 contains an invalid memory free vulnerability in the MVG decoder. Attackers can supply a crafted MVG image for processing to trigger the invalid free and crash the application, causing a denial of service.