Index: libreoffice-7.3.3.1/sdext/source/pdfimport/xpdfwrapper/pdfioutdev_gpl.cxx
===================================================================
--- libreoffice-7.3.3.1.orig/sdext/source/pdfimport/xpdfwrapper/pdfioutdev_gpl.cxx
+++ libreoffice-7.3.3.1/sdext/source/pdfimport/xpdfwrapper/pdfioutdev_gpl.cxx
@@ -474,12 +474,21 @@ int PDFOutDev::parseFont( long long nNew
     {
         // TODO(P3): Unfortunately, need to read stream twice, since
         // we must write byte count to stdout before
+#if POPPLER_CHECK_VERSION(22, 04, 0) // readEmbFontFile signature changed
+        auto pBuf = gfxFont->readEmbFontFile( m_pDoc->getXRef());
+        if ( pBuf )
+        {
+            aNewFont.isEmbedded = true;
+            nSize = pBuf->size();
+        }
+#else
         char* pBuf = gfxFont->readEmbFontFile( m_pDoc->getXRef(), &nSize );
         if( pBuf )
         {
             aNewFont.isEmbedded = true;
             gfree(pBuf);
         }
+#endif
     }
 
     m_aFontMap[ nNewId ] = aNewFont;
@@ -492,21 +501,35 @@ void PDFOutDev::writeFontFile( GfxFont*
         return;
 
     int nSize = 0;
+#if POPPLER_CHECK_VERSION(22, 04, 0) // readEmbFontFile signature changed
+    auto pBuf = gfxFont->readEmbFontFile( m_pDoc->getXRef());
+    if ( !pBuf )
+        return;
+    nSize = pBuf->size();
+#else
     char* pBuf = gfxFont->readEmbFontFile( m_pDoc->getXRef(), &nSize );
     if( !pBuf )
         return;
+#endif
 
     // ---sync point--- see SYNC STREAMS above
     fflush(stdout);
 
+#if POPPLER_CHECK_VERSION(22, 04, 0) // readEmbFontFile signature changed
+    if( fwrite(pBuf->data(), sizeof(unsigned char), nSize, g_binary_out) != static_cast<size_t>(nSize) )
+    {
+#else
     if( fwrite(pBuf, sizeof(char), nSize, g_binary_out) != static_cast<size_t>(nSize) )
     {
         gfree(pBuf);
+#endif
         exit(1); // error
     }
     // ---sync point--- see SYNC STREAMS above
     fflush(g_binary_out);
+#if !POPPLER_CHECK_VERSION(22, 04, 0) // readEmbFontFile signature changed
     gfree(pBuf);
+#endif
 }
 
 #if POPPLER_CHECK_VERSION(0, 83, 0)