[libav-devel] [PATCH] nuv: reject negative fps rate

Andreas Cadhalpun andreas.cadhalpun at googlemail.com
Wed Dec 16 20:56:55 CET 2015


Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun at googlemail.com>
---
 libavformat/nuv.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/libavformat/nuv.c b/libavformat/nuv.c
index 2a1b70f..4cb28d5 100644
--- a/libavformat/nuv.c
+++ b/libavformat/nuv.c
@@ -172,6 +172,10 @@ static int nuv_header(AVFormatContext *s)
     if (aspect > 0.9999 && aspect < 1.0001)
         aspect = 4.0 / 3.0;
     fps = av_int2double(avio_rl64(pb));
+    if (fps <= 0.0f) {
+        av_log(s, AV_LOG_ERROR, "Invalid frame rate %f\n", fps);
+        return AVERROR_INVALIDDATA;
+    }
 
     // number of packets per stream type, -1 means unknown, e.g. streaming
     v_packs = avio_rl32(pb);
-- 
2.6.2


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