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-rw-r--r--meta/recipes-extended/ghostscript/ghostscript/CVE-2017-9216.patch36
1 files changed, 36 insertions, 0 deletions
diff --git a/meta/recipes-extended/ghostscript/ghostscript/CVE-2017-9216.patch b/meta/recipes-extended/ghostscript/ghostscript/CVE-2017-9216.patch
new file mode 100644
index 0000000000..1caeb3ef51
--- /dev/null
+++ b/meta/recipes-extended/ghostscript/ghostscript/CVE-2017-9216.patch
@@ -0,0 +1,36 @@
1From 3ebffb1d96ba0cacec23016eccb4047dab365853 Mon Sep 17 00:00:00 2001
2From: Shailesh Mistry <shailesh.mistry@hotmail.co.uk>
3Date: Wed, 24 May 2017 19:29:57 +0100
4Subject: [PATCH] Bug 697934: Fix SEGV due to error code being ignored.
5
6The return code from jbig2_decode_text_region was being ignored so the
7code continued to try and parse the invalid file using incomplete/empty
8structures.
9
10Upstream-Status: Backport
11CVE: CVE-2017-9216
12
13Signed-off-by: Catalin Enache <catalin.enache@windriver.com>
14---
15 jbig2dec/jbig2_symbol_dict.c | 4 +++-
16 1 file changed, 3 insertions(+), 1 deletion(-)
17
18diff --git a/jbig2dec/jbig2_symbol_dict.c b/jbig2dec/jbig2_symbol_dict.c
19index 3cc1731..672425d 100644
20--- a/jbig2dec/jbig2_symbol_dict.c
21+++ b/jbig2dec/jbig2_symbol_dict.c
22@@ -493,8 +493,10 @@ jbig2_decode_symbol_dict(Jbig2Ctx *ctx,
23 }
24
25 /* multiple symbols are handled as a text region */
26- jbig2_decode_text_region(ctx, segment, tparams, (const Jbig2SymbolDict * const *)refagg_dicts,
27+ code = jbig2_decode_text_region(ctx, segment, tparams, (const Jbig2SymbolDict * const *)refagg_dicts,
28 n_refagg_dicts, image, data, size, GR_stats, as, ws);
29+ if (code < 0)
30+ goto cleanup4;
31
32 SDNEWSYMS->glyphs[NSYMSDECODED] = image;
33 refagg_dicts[0]->glyphs[params->SDNUMINSYMS + NSYMSDECODED] = jbig2_image_clone(ctx, SDNEWSYMS->glyphs[NSYMSDECODED]);
34--
352.10.2
36