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| author | Michael Niedermayer <michaelni@gmx.at> | 2005-01-08 14:21:33 +0000 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2005-01-08 14:21:33 +0000 |
| commit | 568e18b15e2ddf494fd8926707d34ca08c8edce5 (patch) | |
| tree | 18f59992848e24c529a01bd98aed66af3762b2d1 /libavformat/segafilm.c | |
| parent | 934b0821dbb8fb33b2736fe4aab09fc2b6cc8ccc (diff) | |
integer overflows, heap corruption
possible arbitrary code execution cannot be ruled out in some cases
precautionary checks
Originally committed as revision 3813 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavformat/segafilm.c')
| -rw-r--r-- | libavformat/segafilm.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libavformat/segafilm.c b/libavformat/segafilm.c index 9e94de103c..3f752a1d9b 100644 --- a/libavformat/segafilm.c +++ b/libavformat/segafilm.c @@ -171,6 +171,8 @@ static int film_read_header(AVFormatContext *s, return AVERROR_INVALIDDATA; film->base_clock = BE_32(&scratch[8]); film->sample_count = BE_32(&scratch[12]); + if(film->sample_count >= UINT_MAX / sizeof(film_sample_t)) + return -1; film->sample_table = av_malloc(film->sample_count * sizeof(film_sample_t)); for(i=0; i<s->nb_streams; i++) |