ffmpeg: Stack-buffer-overflow in ff_htmlmarkup_to_ass

2016-11-09T16:42:17
ID OSSFUZZ-149
Type ossfuzz
Reporter Google
Modified 2017-02-24T03:31:29

Description

Detailed report: https://clusterfuzz-external.appspot.com/testcase?key=6380176053108736

Target: ffmpeg Fuzzer: libFuzzer_ffmpeg_SUBTITLE_AV_CODEC_ID_SUBRIP_fuzzer Fuzzer binary: ffmpeg_SUBTITLE_AV_CODEC_ID_SUBRIP_fuzzer Job Type: libfuzzer_asan_ffmpeg Platform Id: linux

Crash Type: Stack-buffer-overflow READ 1 Crash Address: 0x7f71190d38b0 Crash State: ff_htmlmarkup_to_ass srt_to_ass srt_decode_frame

Recommended Security Severity: Medium

Minimized Testcase (0.30 Kb): https://clusterfuzz-external.appspot.com/download/AMIfv94wZV8lrIKdJcua5q2dIsRGiHN8iu2EJ-wgbn_Khh1BhjVqfrKstRyHFO3i2VZYvDRM6zLYEGRFb738fwdRy4DD0443qck9RoF_mryo_P3eWhZsCGlg1fqJGYvG6aZh2d0C_WwMBcCyvasfMlTYwZcZ9ZBnbDWKs20fgACkB63AQDhBc9Q?testcase_id=6380176053108736

Issue manually filed by: aizatsky

See https://github.com/google/oss-fuzz/blob/master/docs/reproducing.md for more information.