CVE-2017-14055

Origin: https://github.com/FFmpeg/FFmpeg/commit/4f05e2e2dc1a89f38cd9f0960a6561083d714f1e

Gbp-Pq: Name CVE-2017-14055.patch

diff --git a/libavformat/mvdec.c b/libavformat/mvdec.c
index e21ec06b74a6e10a7ef8470f4d6659a78579da30..4c629930228d3414131e9c86d99cba4edf814110 100644 (file)
--- a/libavformat/mvdec.c
+++ b/libavformat/mvdec.c
@@ -327,6 +327,8 @@ static int mv_read_header(AVFormatContext *avctx)
             uint32_t pos   = avio_rb32(pb);
             uint32_t asize = avio_rb32(pb);
             uint32_t vsize = avio_rb32(pb);
+            if (avio_feof(pb))
+                return AVERROR_INVALIDDATA;
             avio_skip(pb, 8);
             av_add_index_entry(ast, pos, timestamp, asize, 0, AVINDEX_KEYFRAME);
             av_add_index_entry(vst, pos + asize, i, vsize, 0, AVINDEX_KEYFRAME);