From 7c51d79ca7badfb370c410b8f44c9142b938e2e6 Mon Sep 17 00:00:00 2001 From: Vittorio Giovara Date: Fri, 23 Jan 2015 15:03:08 +0000 Subject: nsvdec: validate channels and samplerate Avoid a division by zero. CC: libav-stable@libav.org Bug-Id: CID 717749 --- libavformat/nsvdec.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'libavformat/nsvdec.c') diff --git a/libavformat/nsvdec.c b/libavformat/nsvdec.c index 670b8678c8..5662279f79 100644 --- a/libavformat/nsvdec.c +++ b/libavformat/nsvdec.c @@ -620,6 +620,8 @@ null_chunk_retry: bps = avio_r8(pb); channels = avio_r8(pb); samplerate = avio_rl16(pb); + if (!channels || !samplerate) + return AVERROR_INVALIDDATA; asize-=4; av_dlog(s, "NSV RAWAUDIO: bps %d, nchan %d, srate %d\n", bps, channels, samplerate); if (fill_header) { -- cgit v1.2.3