37 lines
1.1 KiB
Diff
37 lines
1.1 KiB
Diff
From f4151f12db32cd3ed26c24327de714bf2c3ed6ca Mon Sep 17 00:00:00 2001
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From: Zdenek Hutyra <zhutyra@centrum.cz>
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Date: Tue, 23 Jul 2024 11:48:39 +0100
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Subject: [PATCH] PostScript interpreter - fix buffer length check
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Bug 707895
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See bug report for details.
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CVE-2024-46956
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---
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psi/zfile.c | 4 ++--
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1 file changed, 2 insertions(+), 2 deletions(-)
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diff --git a/psi/zfile.c b/psi/zfile.c
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index a4f5439cd..cb056494b 100644
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--- a/psi/zfile.c
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+++ b/psi/zfile.c
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@@ -1,4 +1,4 @@
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-/* Copyright (C) 2001-2023 Artifex Software, Inc.
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+/* Copyright (C) 2001-2024 Artifex Software, Inc.
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All Rights Reserved.
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This software is provided AS-IS with no warranty, either express or
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@@ -443,7 +443,7 @@ file_continue(i_ctx_t *i_ctx_p)
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if (code == ~(uint) 0) { /* all done */
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esp -= 6; /* pop proc, pfen, scratch, devlen, iodev , mark */
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return o_pop_estack;
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- } else if (code > len) { /* overran string */
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+ } else if (code > len - devlen) { /* overran string */
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return_error(gs_error_rangecheck);
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}
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else if (iodev != iodev_default(imemory)
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--
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2.49.0
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