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* gnu/packages/patches/mupdf-CVE-2017-14685.patch, gnu/packages/patches/mupdf-CVE-2017-14686.patch, gnu/packages/patches/mupdf-CVE-2017-14687.patch: New files. * gnu/local.mk (dist_patch_DATA): Add them. * gnu/packages/pdf.scm (mupdf)[source]: Use them.
34 lines
1.1 KiB
Diff
34 lines
1.1 KiB
Diff
Fix CVE-2017-14685:
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https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-14685
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Patch copied from upstream source repository:
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https://git.ghostscript.com/?p=mupdf.git;h=ab1a420613dec93c686acbee2c165274e922f82a
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From ab1a420613dec93c686acbee2c165274e922f82a Mon Sep 17 00:00:00 2001
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From: Tor Andersson <tor.andersson@artifex.com>
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Date: Tue, 19 Sep 2017 15:23:04 +0200
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Subject: [PATCH] Fix 698539: Don't use xps font if it could not be loaded.
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xps_load_links_in_glyphs did not cope with font loading failures.
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---
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source/xps/xps-link.c | 2 ++
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1 file changed, 2 insertions(+)
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diff --git a/source/xps/xps-link.c b/source/xps/xps-link.c
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index c07e0d7..c26a8d9 100644
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--- a/source/xps/xps-link.c
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+++ b/source/xps/xps-link.c
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@@ -91,6 +91,8 @@ xps_load_links_in_glyphs(fz_context *ctx, xps_document *doc, const fz_matrix *ct
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bidi_level = atoi(bidi_level_att);
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font = xps_lookup_font(ctx, doc, base_uri, font_uri_att, style_att);
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+ if (!font)
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+ return;
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text = xps_parse_glyphs_imp(ctx, doc, &local_ctm, font, fz_atof(font_size_att),
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fz_atof(origin_x_att), fz_atof(origin_y_att),
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is_sideways, bidi_level, indices_att, unicode_att);
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--
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2.9.1
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