--- scribus-1.5.6/scribus/plugins/import/pdf/importpdf.cpp
+++ scribus-1.5.6/scribus/plugins/import/pdf/importpdf.cpp
@@ -792,14 +792,15 @@ bool PdfPlug::convert(const QString& fn)
 								names = catDict.dictLookup("OpenAction");
 								if (names.isDict())
 								{
-									LinkAction *linkAction = nullptr;
+									std::unique_ptr<::LinkAction> linkAction;
 									linkAction = LinkAction::parseAction(&names, pdfDoc->getCatalog()->getBaseURI());
 									if (linkAction)
 									{
-										LinkJavaScript *jsa = (LinkJavaScript*)linkAction;
+										LinkJavaScript *jsa = static_cast<LinkJavaScript *>(linkAction.get());
 										if (jsa->isOk())
 										{
-											QString script = UnicodeParsedString(jsa->getScript());
+											const GooString scriptGooString(jsa->getScript());
+											QString script = UnicodeParsedString(&scriptGooString);
 											if (script.startsWith("this."))
 											{
 												script.remove(0, 5);
--- scribus-1.5.6/scribus/plugins/import/pdf/slaoutput.cpp
+++ scribus-1.5.6/scribus/plugins/import/pdf/slaoutput.cpp
@@ -324,7 +324,7 @@ LinkAction* SlaOutputDev::SC_getAddition
 		{
 			Object actionObject = additionalActionsObject.dictLookup(key);
 			if (actionObject.isDict())
-				linkAction = LinkAction::parseAction(&actionObject, pdfDoc->getCatalog()->getBaseURI());
+				linkAction = (LinkAction::parseAction(&actionObject, pdfDoc->getCatalog()->getBaseURI())).release();
 		}
 	}
 	return linkAction;
@@ -455,7 +455,7 @@ bool SlaOutputDev::handleLinkAnnot(Annot
 			POPPLER_CONST GooString *ndst = gto->getNamedDest();
 			if (ndst)
 			{
-				LinkDest *dstn = pdfDoc->findDest(ndst);
+				std::unique_ptr<LinkDest> dstn = pdfDoc->findDest(ndst);
 				if (dstn)
 				{
 					if (dstn->getKind() == destXYZ)
@@ -499,7 +499,7 @@ bool SlaOutputDev::handleLinkAnnot(Annot
 			POPPLER_CONST GooString *ndst = gto->getNamedDest();
 			if (ndst)
 			{
-				LinkDest *dstn = pdfDoc->findDest(ndst);
+				std::unique_ptr<LinkDest> dstn = pdfDoc->findDest(ndst);
 				if (dstn)
 				{
 					if (dstn->getKind() == destXYZ)
@@ -516,8 +516,9 @@ bool SlaOutputDev::handleLinkAnnot(Annot
 	else if (act->getKind() == actionURI)
 	{
 		LinkURI *gto = (LinkURI*)act;
+		const GooString uriGooString(gto->getURI());
 		validLink = true;
-		fileName = UnicodeParsedString(gto->getURI());
+		fileName = UnicodeParsedString(&uriGooString);
 	}
 	if (validLink)
 	{
@@ -929,8 +930,9 @@ void SlaOutputDev::handleActions(PageIte
 			LinkJavaScript *jsa = (LinkJavaScript*)Lact;
 			if (jsa->isOk())
 			{
+				const GooString scriptGooString(jsa->getScript());
 				ite->annotation().setActionType(1);
-				ite->annotation().setAction(UnicodeParsedString(jsa->getScript()));
+				ite->annotation().setAction(UnicodeParsedString(&scriptGooString));
 			}
 		}
 		else if (Lact->getKind() == actionGoTo)
@@ -967,7 +969,7 @@ void SlaOutputDev::handleActions(PageIte
 				POPPLER_CONST GooString *ndst = gto->getNamedDest();
 				if (ndst)
 				{
-					LinkDest *dstn = pdfDoc->findDest(ndst);
+					std::unique_ptr<LinkDest> dstn = pdfDoc->findDest(ndst);
 					if (dstn)
 					{
 						if (dstn->getKind() == destXYZ)
@@ -1019,7 +1021,7 @@ void SlaOutputDev::handleActions(PageIte
 				POPPLER_CONST GooString *ndst = gto->getNamedDest();
 				if (ndst)
 				{
-					LinkDest *dstn = pdfDoc->findDest(ndst);
+					std::unique_ptr<LinkDest> dstn = pdfDoc->findDest(ndst);
 					if (dstn)
 					{
 						if (dstn->getKind() == destXYZ)
@@ -1039,7 +1041,8 @@ void SlaOutputDev::handleActions(PageIte
 		else if (Lact->getKind() == actionUnknown)
 		{
 			LinkUnknown *uno = (LinkUnknown*)Lact;
-			QString actString = UnicodeParsedString(uno->getAction());
+			const GooString actionGooString(uno->getAction());
+			QString actString = UnicodeParsedString(&actionGooString);
 			if (actString == "ResetForm")
 			{
 				ite->annotation().setActionType(4);
@@ -1082,8 +1085,9 @@ void SlaOutputDev::handleActions(PageIte
 		else if (Lact->getKind() == actionNamed)
 		{
 			LinkNamed *uno = (LinkNamed*)Lact;
+			const GooString nameGooString(uno->getName());
 			ite->annotation().setActionType(10);
-			ite->annotation().setAction(UnicodeParsedString(uno->getName()));
+			ite->annotation().setAction(UnicodeParsedString(&nameGooString));
 		}
 		else
 			qDebug() << "Found unsupported Action of type" << Lact->getKind();
@@ -1096,7 +1100,8 @@ void SlaOutputDev::handleActions(PageIte
 			LinkJavaScript *jsa = (LinkJavaScript*)Aact;
 			if (jsa->isOk())
 			{
-				ite->annotation().setD_act(UnicodeParsedString(jsa->getScript()));
+				const GooString scriptGooString(jsa->getScript());
+				ite->annotation().setD_act(UnicodeParsedString(&scriptGooString));
 				ite->annotation().setAAact(true);
 			}
 		}
@@ -1110,7 +1115,8 @@ void SlaOutputDev::handleActions(PageIte
 			LinkJavaScript *jsa = (LinkJavaScript*)Aact;
 			if (jsa->isOk())
 			{
-				ite->annotation().setE_act(UnicodeParsedString(jsa->getScript()));
+				const GooString scriptGooString(jsa->getScript());
+				ite->annotation().setE_act(UnicodeParsedString(&scriptGooString));
 				ite->annotation().setAAact(true);
 			}
 		}
@@ -1124,7 +1130,8 @@ void SlaOutputDev::handleActions(PageIte
 			LinkJavaScript *jsa = (LinkJavaScript*)Aact;
 			if (jsa->isOk())
 			{
-				ite->annotation().setX_act(UnicodeParsedString(jsa->getScript()));
+				const GooString scriptGooString(jsa->getScript());
+				ite->annotation().setX_act(UnicodeParsedString(&scriptGooString));
 				ite->annotation().setAAact(true);
 			}
 		}
@@ -1138,7 +1145,8 @@ void SlaOutputDev::handleActions(PageIte
 			LinkJavaScript *jsa = (LinkJavaScript*)Aact;
 			if (jsa->isOk())
 			{
-				ite->annotation().setFo_act(UnicodeParsedString(jsa->getScript()));
+				const GooString scriptGooString(jsa->getScript());
+				ite->annotation().setFo_act(UnicodeParsedString(&scriptGooString));
 				ite->annotation().setAAact(true);
 			}
 		}
@@ -1152,7 +1160,8 @@ void SlaOutputDev::handleActions(PageIte
 			LinkJavaScript *jsa = (LinkJavaScript*)Aact;
 			if (jsa->isOk())
 			{
-				ite->annotation().setBl_act(UnicodeParsedString(jsa->getScript()));
+				const GooString scriptGooString(jsa->getScript());
+				ite->annotation().setBl_act(UnicodeParsedString(&scriptGooString));
 				ite->annotation().setAAact(true);
 			}
 		}
@@ -1166,7 +1175,8 @@ void SlaOutputDev::handleActions(PageIte
 			LinkJavaScript *jsa = (LinkJavaScript*)Aact;
 			if (jsa->isOk())
 			{
-				ite->annotation().setC_act(UnicodeParsedString(jsa->getScript()));
+				const GooString scriptGooString(jsa->getScript());
+				ite->annotation().setC_act(UnicodeParsedString(&scriptGooString));
 				ite->annotation().setAAact(true);
 			}
 		}
@@ -1180,7 +1190,8 @@ void SlaOutputDev::handleActions(PageIte
 			LinkJavaScript *jsa = (LinkJavaScript*)Aact;
 			if (jsa->isOk())
 			{
-				ite->annotation().setF_act(UnicodeParsedString(jsa->getScript()));
+				const GooString scriptGooString(jsa->getScript());
+				ite->annotation().setF_act(UnicodeParsedString(&scriptGooString));
 				ite->annotation().setAAact(true);
 				ite->annotation().setFormat(5);
 			}
@@ -1195,7 +1206,8 @@ void SlaOutputDev::handleActions(PageIte
 			LinkJavaScript *jsa = (LinkJavaScript*)Aact;
 			if (jsa->isOk())
 			{
-				ite->annotation().setK_act(UnicodeParsedString(jsa->getScript()));
+				const GooString scriptGooString(jsa->getScript());
+				ite->annotation().setK_act(UnicodeParsedString(&scriptGooString));
 				ite->annotation().setAAact(true);
 				ite->annotation().setFormat(5);
 			}
@@ -1210,7 +1222,8 @@ void SlaOutputDev::handleActions(PageIte
 			LinkJavaScript *jsa = (LinkJavaScript*)Aact;
 			if (jsa->isOk())
 			{
-				ite->annotation().setV_act(UnicodeParsedString(jsa->getScript()));
+				const GooString scriptGooString(jsa->getScript());
+				ite->annotation().setV_act(UnicodeParsedString(&scriptGooString));
 				ite->annotation().setAAact(true);
 			}
 		}