X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fdxv.c;h=6fe5516505a157b4767e746e98fc156aa0e20793;hb=80155795bb433fe588a957be9fb96a0a2608a00f;hp=aef5ec19dd6b6970d91fd264698a10ce6bbfde7f;hpb=b8eb0827f053230dd919bc73e25381b47b4fe1a7;p=ffmpeg

diff --git a/libavcodec/dxv.c b/libavcodec/dxv.c
index aef5ec19dd6..6fe5516505a 100644
--- a/libavcodec/dxv.c
+++ b/libavcodec/dxv.c
@@ -256,6 +256,8 @@ static int decompress_texture_thread(AVCodecContext *avctx, void *arg,
 #define CHECKPOINT(x)                                                         \
     do {                                                                      \
         if (state == 0) {                                                     \
+            if (bytestream2_get_bytes_left(gbc) < 4)                          \
+                return AVERROR_INVALIDDATA;                                   \
             value = bytestream2_get_le32(gbc);                                \
             state = 16;                                                       \
         }                                                                     \