[poppler] poppler/Gfx.cc

[Albert Astals Cid]

 poppler/Gfx.cc |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

New commits:
commit 487f20d24830a97cad4773ae27f0c2cc58df2ed0
Author: Albert Astals Cid <aacid at kde.org>
Date:   Thu Dec 13 20:40:39 2012 +0100

    Check obj1 is a dict before using it
    
    Fixes bug #58257

diff --git a/poppler/Gfx.cc b/poppler/Gfx.cc
index 99c326e..5c9ed35 100644
--- a/poppler/Gfx.cc
+++ b/poppler/Gfx.cc
@@ -4601,7 +4601,7 @@ GBool Gfx::checkTransparencyGroup(Dict *resDict) {
       Object obj1, obj2;
       GfxBlendMode mode;
 
-      if (res->lookupGState(dict->getKey(i), &obj1)) {
+      if (res->lookupGState(dict->getKey(i), &obj1) && obj1.isDict()) {
         if (!obj1.dictLookup("BM", &obj2)->isNull()) {
           if (state->parseBlendMode(&obj2, &mode)) {
             if (mode != gfxBlendNormal)