diff --git a/vcl/source/gdi/pdfwriter_impl.cxx b/vcl/source/gdi/pdfwriter_impl.cxx
index bf9e693d081c..05067ee2d024 100644
--- a/vcl/source/gdi/pdfwriter_impl.cxx
+++ b/vcl/source/gdi/pdfwriter_impl.cxx
@@ -6680,6 +6680,7 @@ void PDFWriterImpl::drawHorizontalGlyphs(
             appendHex( rGlyphs[nPos].m_nMappedGlyphId, aUnkernedLine );
             // check for adjustment
             double fTheoreticalGlyphWidth = rGlyphs[nPos].m_aPos.X() - rGlyphs[nPos-1].m_aPos.X();
+            fTheoreticalGlyphWidth = fabs( fTheoreticalGlyphWidth ); // #i100522# workaround until #i87686# gets fixed
             fTheoreticalGlyphWidth = 1000.0 * fTheoreticalGlyphWidth / fXScale / double(nPixelFontHeight);
             sal_Int32 nAdjustment = rGlyphs[nPos-1].m_nNativeWidth - sal_Int32(fTheoreticalGlyphWidth+0.5);
             if( nAdjustment != 0 )
diff --git a/vcl/unx/source/gdi/salgdi.cxx b/vcl/unx/source/gdi/salgdi.cxx
index 1d61dbe214a2..6d7812828a10 100644
--- a/vcl/unx/source/gdi/salgdi.cxx
+++ b/vcl/unx/source/gdi/salgdi.cxx
@@ -1385,6 +1385,7 @@ bool X11SalGraphics::drawPolyPolygon( const ::basegfx::B2DPolyPolygon& rPolyPoly
     rRenderPeer.FillRectangle( PictOpSrc, rEntry.m_aPicture, &aRenderColor, 0, 0, 1, 1 );
 
     // notify xrender of target drawable
+    // TODO: cache the matching xrender picture in the X11SalGraphics
     Picture aDst = rRenderPeer.CreatePicture( hDrawable_, pVisualFormat, 0, NULL );
 
     // set clipping
@@ -1396,6 +1397,10 @@ bool X11SalGraphics::drawPolyPolygon( const ::basegfx::B2DPolyPolygon& rPolyPoly
     rRenderPeer.CompositeTrapezoids( PictOpOver,
         rEntry.m_aPicture, aDst, pMaskFormat, 0, 0, &aTrapVector[0], aTrapVector.size() );
 
+    // release xrender-counterpart of target drawable
+    // TODO: use scoped xrender picture
+    rRenderPeer.FreePicture( aDst );
+
     return TRUE;
 }