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-rw-r--r--libavformat/cafdec.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/libavformat/cafdec.c b/libavformat/cafdec.c
index 3bf1fa64bc..06069f2610 100644
--- a/libavformat/cafdec.c
+++ b/libavformat/cafdec.c
@@ -79,6 +79,9 @@ static int read_desc_chunk(AVFormatContext *s)
st->codecpar->channels = avio_rb32(pb);
st->codecpar->bits_per_coded_sample = avio_rb32(pb);
+ if (caf->bytes_per_packet < 0 || caf->frames_per_packet < 0)
+ return AVERROR_INVALIDDATA;
+
/* calculate bit rate for constant size packets */
if (caf->frames_per_packet > 0 && caf->bytes_per_packet > 0) {
st->codecpar->bit_rate = (uint64_t)st->codecpar->sample_rate * (uint64_t)caf->bytes_per_packet * 8