diff options
Diffstat (limited to 'poppler/PSOutputDev.cc')
| -rw-r--r-- | poppler/PSOutputDev.cc | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/poppler/PSOutputDev.cc b/poppler/PSOutputDev.cc index bb50080a..9ce6648f 100644 --- a/poppler/PSOutputDev.cc +++ b/poppler/PSOutputDev.cc @@ -1828,8 +1828,17 @@ void PSOutputDev::setupResources(Dict *resDict) // process the XObject's resource dictionary Object xObj = xObjDict.dictGetVal(i); if (xObj.isStream()) { - Object resObj = xObj.streamGetDict()->lookup("Resources"); + Ref resObjRef; + Object resObj = xObj.streamGetDict()->lookup("Resources", &resObjRef); if (resObj.isDict()) { + if (resObjRef != Ref::INVALID()) { + const int numObj = resObjRef.num; + if (resourceIDs.find(numObj) != resourceIDs.end()) { + error(errSyntaxError, -1, "loop in Resources (numObj: {0:d})", numObj); + continue; + } + resourceIDs.insert(numObj); + } setupResources(resObj.getDict()); } } |