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| author | Justin Ruggles <justin.ruggles@gmail.com> | 2012-10-23 00:40:51 -0400 |
|---|---|---|
| committer | Justin Ruggles <justin.ruggles@gmail.com> | 2012-11-01 11:29:18 -0400 |
| commit | 4c53f4aed3edfa58360c7a2a468782eae31d3176 (patch) | |
| tree | 42163011033b7216599d940c8f54d652268c4b66 | |
| parent | 4e13e50432bd1c1a89f626f8196b55a0302c8f19 (diff) | |
| download | ffmpeg-4c53f4aed3edfa58360c7a2a468782eae31d3176.tar.gz | |
shorten: validate that the channel count in the header is not <= 0
| -rw-r--r-- | libavcodec/shorten.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/shorten.c b/libavcodec/shorten.c index 1664a907ae..be2b8e20e9 100644 --- a/libavcodec/shorten.c +++ b/libavcodec/shorten.c @@ -342,7 +342,7 @@ static int read_header(ShortenContext *s) s->internal_ftype = get_uint(s, TYPESIZE); s->channels = get_uint(s, CHANSIZE); - if (s->channels > MAX_CHANNELS) { + if (s->channels <= 0 || s->channels > MAX_CHANNELS) { av_log(s->avctx, AV_LOG_ERROR, "too many channels: %d\n", s->channels); return -1; } |