1 files changed, 4 insertions, 2 deletions
diff --git a/libavcodec/h263dec.c b/libavcodec/h263dec.c
index 2f57573394..fa8fd1f9ab 100644
--- a/libavcodec/h263dec.c
+++ b/libavcodec/h263dec.c
@@ -687,10 +687,12 @@ retry:
         }
 
         if(startcode_found){
-            s->bitstream_buffer= av_fast_realloc(
-                s->bitstream_buffer,
+            av_fast_malloc(
+                &s->bitstream_buffer,
                 &s->allocated_bitstream_buffer_size,
                 buf_size - current_pos + FF_INPUT_BUFFER_PADDING_SIZE);
+            if (!s->bitstream_buffer)
+                return AVERROR(ENOMEM);
             memcpy(s->bitstream_buffer, buf + current_pos, buf_size - current_pos);
             s->bitstream_buffer_size= buf_size - current_pos;
         }