ffmpeg:ffmpeg_AV_CODEC_ID_ATRAC3P_fuzzer: Index-out-of-bounds in decode_channel_wordlen

2019-10-18T20:08:15
ID OSSFUZZ-18350
Type ossfuzz
Reporter Google
Modified 2019-12-11T16:50:23

Description

Project: https://git.ffmpeg.org/ffmpeg.git

Detailed Report: https://oss-fuzz.com/testcase?key=5643794862571520

Project: ffmpeg Fuzzing Engine: libFuzzer Fuzz Target: ffmpeg_AV_CODEC_ID_ATRAC3P_fuzzer Job Type: libfuzzer_ubsan_ffmpeg Platform Id: linux

Crash Type: Index-out-of-bounds Crash Address: Crash State: decode_channel_wordlen decode_quant_wordlen ff_atrac3p_decode_channel_unit

Sanitizer: undefined (UBSAN)

Recommended Security Severity: Medium

Regressed: https://oss-fuzz.com/revisions?job=libfuzzer_ubsan_ffmpeg&range=201910140245:201910180301

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=5643794862571520

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.