From 024b8407392cb0b82b04b58ed256094ed5799e04 Mon Sep 17 00:00:00 2001 From: Even Rouault Date: Sat, 11 Jan 2020 01:51:19 +0100 Subject: [PATCH] opj_j2k_update_image_dimensions(): reject images whose coordinates are beyond INT_MAX (fixes #1228) --- src/lib/openjp2/j2k.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/src/lib/openjp2/j2k.c b/src/lib/openjp2/j2k.c index 14f6ff41a..922550eb1 100644 --- a/src/lib/openjp2/j2k.c +++ b/src/lib/openjp2/j2k.c @@ -9221,6 +9221,14 @@ static OPJ_BOOL opj_j2k_update_image_dimensions(opj_image_t* p_image, l_img_comp = p_image->comps; for (it_comp = 0; it_comp < p_image->numcomps; ++it_comp) { OPJ_INT32 l_h, l_w; + if (p_image->x0 > (OPJ_UINT32)INT_MAX || + p_image->y0 > (OPJ_UINT32)INT_MAX || + p_image->x1 > (OPJ_UINT32)INT_MAX || + p_image->y1 > (OPJ_UINT32)INT_MAX) { + opj_event_msg(p_manager, EVT_ERROR, + "Image coordinates above INT_MAX are not supported\n"); + return OPJ_FALSE; + } l_img_comp->x0 = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)p_image->x0, (OPJ_INT32)l_img_comp->dx);