OSV-2020-847 Use-of-uninitialized-value in ycck_cmyk_convert

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=18732 Crash type: Use-of-uninitialized-value Crash state: ycckcmykconvert sepupsample processdatasimplemain...

imagemagick/enhance_fuzzer: Use-of-uninitialized-value in ycck_cmyk_convert

Project: https://github.com/imagemagick/imagemagick.git Detailed report: https://oss-fuzz.com/testcase?key=6452319171379200 Project: imagemagick Fuzzer: libFuzzerimagemagickenhancefuzzer Fuzz target binary: enhancefuzzer Job Type: libfuzzermsanimagemagick Platform Id: linux Crash Type:...