diff options
| -rw-r--r-- | source/fitz/draw-affine.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/source/fitz/draw-affine.c b/source/fitz/draw-affine.c index 61f7eb3f..14383612 100644 --- a/source/fitz/draw-affine.c +++ b/source/fitz/draw-affine.c @@ -4044,6 +4044,10 @@ fz_paint_image_imp(fz_pixmap *dst, const fz_irect *scissor, fz_pixmap *shape, fz if (dolerp) { + /* image size overflows 16.16 fixed point math */ + if (sw >= 32768 || sh >= 32768) + return; + u -= 32768; v -= 32768; sw = (sw<<16) + 32768; |