media-libs/jbig2dec: Revision bump for bug 620202

Package-Manager: Portage-2.3.6, Repoman-2.3.2

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 000000000000..789ed6c96568
--- /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
+