1de17a648f
* gnu/packages/patches/ghostscript-CVE-2013-5653.patch, gnu/packages/patches/ghostscript-CVE-2016-7976.patch, gnu/packages/patches/ghostscript-CVE-2016-7978.patch, gnu/packages/patches/ghostscript-CVE-2016-7979.patch, gnu/packages/patches/ghostscript-CVE-2016-8602.patch: New files. * gnu/local.mk (dist_patch_DATA): Add them. * gnu/packages/ghostscript.scm (ghostscript)[replacement]: New field. (ghostscript/fixed): New variable. (ghostscript/x): Inherit 'ghostscript/fixed'.
48 lines
1.3 KiB
Diff
48 lines
1.3 KiB
Diff
The following patch was adapted for GNU Ghostscript
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by Mark H Weaver <mhw@netris.org> based on:
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http://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=f5c7555c30393e64ec1f5ab0dfae5b55b3b3fc78
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From f5c7555c30393e64ec1f5ab0dfae5b55b3b3fc78 Mon Sep 17 00:00:00 2001
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From: Chris Liddell <chris.liddell@artifex.com>
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Date: Sat, 8 Oct 2016 16:10:27 +0100
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Subject: [PATCH] Bug 697203: check for sufficient params in .sethalftone5
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and param types
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---
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psi/zht2.c | 12 ++++++++++--
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1 file changed, 10 insertions(+), 2 deletions(-)
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diff --git a/psi/zht2.c b/psi/zht2.c
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index fb4a264..dfa27a4 100644
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--- a/psi/zht2.c
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+++ b/psi/zht2.c
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@@ -82,14 +82,22 @@ zsethalftone5(i_ctx_t *i_ctx_p)
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gs_memory_t *mem;
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uint edepth = ref_stack_count(&e_stack);
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int npop = 2;
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- int dict_enum = dict_first(op);
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+ int dict_enum;
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ref rvalue[2];
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int cname, colorant_number;
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byte * pname;
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uint name_size;
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int halftonetype, type = 0;
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gs_state *pgs = igs;
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- int space_index = r_space_index(op - 1);
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+ int space_index;
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+
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+ if (ref_stack_count(&o_stack) < 2)
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+ return_error(e_stackunderflow);
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+ check_type(*op, t_dictionary);
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+ check_type(*(op - 1), t_dictionary);
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+
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+ dict_enum = dict_first(op);
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+ space_index = r_space_index(op - 1);
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mem = (gs_memory_t *) idmemory->spaces_indexed[space_index];
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--
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2.9.1
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