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