diff --git a/core/fpdfapi/page/cpdf_streamcontentparser.cpp b/core/fpdfapi/page/cpdf_streamcontentparser.cpp
index 93478de..21b1377 100644
--- a/core/fpdfapi/page/cpdf_streamcontentparser.cpp
+++ b/core/fpdfapi/page/cpdf_streamcontentparser.cpp
@@ -265,6 +265,8 @@
       m_pPathPoints(nullptr),
       m_PathPointCount(0),
       m_PathAllocSize(0),
+      m_PathStartX(0.0f),
+      m_PathStartY(0.0f),
       m_PathCurrentX(0.0f),
       m_PathCurrentY(0.0f),
       m_PathClipType(0),
diff --git a/core/fpdfapi/render/cpdf_charposlist.cpp b/core/fpdfapi/render/cpdf_charposlist.cpp
index 4857b93..05f441c 100644
--- a/core/fpdfapi/render/cpdf_charposlist.cpp
+++ b/core/fpdfapi/render/cpdf_charposlist.cpp
@@ -11,6 +11,7 @@
 
 CPDF_CharPosList::CPDF_CharPosList() {
   m_pCharPos = nullptr;
+  m_nChars = 0;
 }
 
 CPDF_CharPosList::~CPDF_CharPosList() {
diff --git a/core/fxge/dib/fx_dib_composite.cpp b/core/fxge/dib/fx_dib_composite.cpp
index e3dc740..072ebbd 100644
--- a/core/fxge/dib/fx_dib_composite.cpp
+++ b/core/fxge/dib/fx_dib_composite.cpp
@@ -4014,6 +4014,7 @@
   m_CacheSize = 0;
   m_bRgbByteOrder = false;
   m_BlendType = FXDIB_BLEND_NORMAL;
+  m_pIccTransform = nullptr;
 }
 
 CFX_ScanlineCompositor::~CFX_ScanlineCompositor() {
diff --git a/core/fxge/dib/fx_dib_main.cpp b/core/fxge/dib/fx_dib_main.cpp
index 8e6366d..96cae9d 100644
--- a/core/fxge/dib/fx_dib_main.cpp
+++ b/core/fxge/dib/fx_dib_main.cpp
@@ -1471,6 +1471,7 @@
 
 CFX_ImageRenderer::CFX_ImageRenderer() {
   m_Status = 0;
+  m_pIccTransform = nullptr;
   m_bRgbByteOrder = false;
   m_BlendType = FXDIB_BLEND_NORMAL;
 }