virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-12-23 12:43:46 +02:00
Code Issues Releases Activity

avcodec/speedhq: Check width

Browse Source 
Fixes: out of array access
Fixes: 50014/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SPEEDHQ_fuzzer-4748914632294400

Alternatively the buffer size can be increased

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2022-08-18 23:41:57 +02:00
parent 6195a0ee19
commit f0395f9ef6
No known key found for this signature in database
GPG Key ID: B18E8928B3948D64
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
libavcodec/speedhq.c
View File

@ -498,7 +498,7 @@ static int speedhq_decode_frame(AVCodecContext *avctx, AVFrame *frame,
uint32_t second_field_offset;
int ret;
if (buf_size < 4 || avctx->width < 8)
if (buf_size < 4 || avctx->width < 8 || avctx->width % 8 != 0)
return AVERROR_INVALIDDATA;
quality = buf[0];