if (half_horiz)
run_length *=2;
+ if (run_length > s->avctx->width - x)
+ return AVERROR_INVALIDDATA;
+
if (color) {
memset(s->frame.data[0] + y*s->frame.linesize[0] + x, color, run_length);
if (half_vert)
int replace_array = bytestream2_get_byte(&s->gb);
for(j=0; j<8; j++) {
int replace = (replace_array >> (7-j)) & 1;
+ if (x + half_horiz >= s->avctx->width)
+ return AVERROR_INVALIDDATA;
if (replace) {
int color = bytestream2_get_byte(&data_ptr);
s->frame.data[0][y*s->frame.linesize[0] + x] = color;