ffmpeg/ffmpeg_AV_CODEC_ID_AGM_fuzzer: Heap-buffer-overflow in show_bits

Type ossfuzz
Reporter Google
Modified 2019-05-05T15:24:29


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

Detailed report: https://oss-fuzz.com/testcase?key=5701427252428800

Project: ffmpeg Fuzzer: libFuzzer_ffmpeg_AV_CODEC_ID_AGM_fuzzer Fuzz target binary: ffmpeg_AV_CODEC_ID_AGM_fuzzer Job Type: libfuzzer_asan_ffmpeg Platform Id: linux

Crash Type: Heap-buffer-overflow READ 4 Crash Address: 0x619000001d11 Crash State: show_bits read_code decode_inter_block

Sanitizer: address (ASAN)

Recommended Security Severity: Medium

Regressed: https://oss-fuzz.com/revisions?job=libfuzzer_asan_ffmpeg&range=201903310149:201903311929

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=5701427252428800

Issue filed automatically.

See https://github.com/google/oss-fuzz/blob/master/docs/reproducing.md for instructions to reproduce this bug locally.

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