imagemagick:encoder_heic_fuzzer: Use-of-uninitialized-value in clip

2020-05-12T22:07:31
ID OSSFUZZ-22181
Type ossfuzz
Reporter Google
Modified 2020-09-15T15:09:20

Description

Detailed Report: https://oss-fuzz.com/testcase?key=5758254161592320

Project: imagemagick Fuzzing Engine: libFuzzer Fuzz Target: encoder_heic_fuzzer Job Type: libfuzzer_msan_imagemagick Platform Id: linux

Crash Type: Use-of-uninitialized-value Crash Address: Crash State: clip Op_YCbCr420_to_RGB_8bit::convert_colorspace heif::ColorConversionPipeline::convert_image

Sanitizer: memory (MSAN)

Recommended Security Severity: Medium

Regressed: https://oss-fuzz.com/revisions?job=libfuzzer_msan_imagemagick&range=202005060144:202005062308

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=5758254161592320

Issue filed automatically.

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This bug is subject to a 90 day disclosure deadline. If 90 days elapse without an upstream patch, then the bug report will automatically become visible to the public.