Detailed report: https://oss-fuzz.com/testcase?key=5146983567196160
Project: graphicsmagick Fuzzer: libFuzzer_graphicsmagick_coder_PNG_fuzzer Fuzz target binary: coder_PNG_fuzzer Job Type: libfuzzer_msan_graphicsmagick Platform Id: linux
Crash Type: Use-of-uninitialized-value Crash Address: Crash State: ReadPNGImage ReadImage BlobToImage
Sanitizer: memory (MSAN)
Recommended Security Severity: Medium
Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=5146983567196160
Issue manually filed by: alex.gaynor
See https://github.com/google/oss-fuzz/blob/master/docs/reproducing.md for more information.
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.
When you fix this bug, please * mention the fix revision(s). * state whether the bug was a short-lived regression or an old bug in any stable releases. * add any other useful information. This information can help downstream consumers.
If you need to contact the OSS-Fuzz team with a question, concern, or any other feedback, please file an issue at https://github.com/google/oss-fuzz/issues.