virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2025-01-24 13:56:33 +02:00
Code Issues Releases Activity

avcodec/tak: Check remaining bits in ff_tak_decode_frame_header()

Browse Source 
Fixes: out of array access
Fixes: 45982/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TAK_fuzzer-6682195323650048

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 19b66b89da4b4ff086dc1fc79bbf540e82bdbcb4)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2023-04-16 17:34:16 +02:00
parent 40f962e569
commit 77d1ae5d94
No known key found for this signature in database
GPG Key ID: B18E8928B3948D64
1 changed files with 3 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
libavcodec/tak.c
View File

@ -154,6 +154,9 @@ int ff_tak_decode_frame_header(AVCodecContext *avctx, GetBitContext *gb,
if (ti->flags & TAK_FRAME_FLAG_HAS_METADATA) if (ti->flags & TAK_FRAME_FLAG_HAS_METADATA)
return AVERROR_INVALIDDATA; return AVERROR_INVALIDDATA;
if (get_bits_left(gb) < 24)
return AVERROR_INVALIDDATA;
skip_bits(gb, 24); skip_bits(gb, 24);
return 0; return 0;