From 39b0f07dd960f34e7e6bf230ffc3d87c41ef0f2e Mon Sep 17 00:00:00 2001 From: Sebastian Rasmussen Date: Wed, 27 Jul 2016 22:19:39 +0800 Subject: Make sure that number of colors in mesh params is valid. Fixes bug 696954. --- source/pdf/pdf-shade.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'source/pdf') diff --git a/source/pdf/pdf-shade.c b/source/pdf/pdf-shade.c index 7815b3ce..6e25efa8 100644 --- a/source/pdf/pdf-shade.c +++ b/source/pdf/pdf-shade.c @@ -206,7 +206,7 @@ pdf_load_mesh_params(fz_context *ctx, pdf_document *doc, fz_shade *shade, pdf_ob obj = pdf_dict_get(ctx, dict, PDF_NAME_Decode); if (pdf_array_len(ctx, obj) >= 6) { - n = (pdf_array_len(ctx, obj) - 4) / 2; + n = fz_mini(FZ_MAX_COLORS, (pdf_array_len(ctx, obj) - 4) / 2); shade->u.m.x0 = pdf_to_real(ctx, pdf_array_get(ctx, obj, 0)); shade->u.m.x1 = pdf_to_real(ctx, pdf_array_get(ctx, obj, 1)); shade->u.m.y0 = pdf_to_real(ctx, pdf_array_get(ctx, obj, 2)); -- cgit v1.2.3