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authorAndreas K. Hüttel <dilfridge@gentoo.org>2017-05-30 21:35:59 +0200
committerAndreas K. Hüttel <dilfridge@gentoo.org>2017-05-30 21:35:59 +0200
commit93ef99f17ee716bb4e5d10add0b0ab6184c80600 (patch)
tree981952e299c933517319778d50ae2b715c19444a /media-libs/jbig2dec/files
parentsys-cluster/nova: 14.0.7 and 15.0.5 bup (diff)
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media-libs/jbig2dec: Revision bump for bug 620202
Package-Manager: Portage-2.3.6, Repoman-2.3.2
Diffstat (limited to 'media-libs/jbig2dec/files')
-rw-r--r--media-libs/jbig2dec/files/jbig2dec-0.13-CVE-2017-9216.patch31
1 files changed, 31 insertions, 0 deletions
diff --git a/media-libs/jbig2dec/files/jbig2dec-0.13-CVE-2017-9216.patch b/media-libs/jbig2dec/files/jbig2dec-0.13-CVE-2017-9216.patch
new file mode 100644
index 00000000000..789ed6c9656
--- /dev/null
+++ b/media-libs/jbig2dec/files/jbig2dec-0.13-CVE-2017-9216.patch
@@ -0,0 +1,31 @@
+From 3ebffb1d96ba0cacec23016eccb4047dab365853 Mon Sep 17 00:00:00 2001
+From: Shailesh Mistry <shailesh.mistry@hotmail.co.uk>
+Date: Wed, 24 May 2017 19:29:57 +0100
+Subject: [PATCH] Bug 697934: Fix SEGV due to error code being ignored.
+
+The return code from jbig2_decode_text_region was being ignored so the
+code continued to try and parse the invalid file using incomplete/empty
+structures.
+---
+ jbig2dec/jbig2_symbol_dict.c | 4 +++-
+ 1 file changed, 3 insertions(+), 1 deletion(-)
+
+diff --git a/jbig2_symbol_dict.c b/jbig2_symbol_dict.c
+index 3cc1731..672425d 100644
+--- a/jbig2_symbol_dict.c
++++ b/jbig2_symbol_dict.c
+@@ -493,8 +493,10 @@ jbig2_decode_symbol_dict(Jbig2Ctx *ctx,
+ }
+
+ /* multiple symbols are handled as a text region */
+- jbig2_decode_text_region(ctx, segment, tparams, (const Jbig2SymbolDict * const *)refagg_dicts,
++ code = jbig2_decode_text_region(ctx, segment, tparams, (const Jbig2SymbolDict * const *)refagg_dicts,
+ n_refagg_dicts, image, data, size, GR_stats, as, ws);
++ if (code < 0)
++ goto cleanup4;
+
+ SDNEWSYMS->glyphs[NSYMSDECODED] = image;
+ refagg_dicts[0]->glyphs[params->SDNUMINSYMS + NSYMSDECODED] = jbig2_image_clone(ctx, SDNEWSYMS->glyphs[NSYMSDECODED]);
+--
+2.9.1
+