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-rw-r--r--core/fpdfapi/page/cpdf_shadingpattern.cpp5
1 files changed, 5 insertions, 0 deletions
diff --git a/core/fpdfapi/page/cpdf_shadingpattern.cpp b/core/fpdfapi/page/cpdf_shadingpattern.cpp
index 542c4051c5..585a925ba7 100644
--- a/core/fpdfapi/page/cpdf_shadingpattern.cpp
+++ b/core/fpdfapi/page/cpdf_shadingpattern.cpp
@@ -89,6 +89,11 @@ bool CPDF_ShadingPattern::Load() {
CPDF_DocPageData* pDocPageData = document()->GetPageData();
m_pCS = pDocPageData->GetColorSpace(pCSObj, nullptr);
+ // The color space cannot be a Pattern space, according to the PDF 1.7 spec,
+ // page 305.
+ if (m_pCS->GetFamily() == PDFCS_PATTERN)
+ return false;
+
if (m_pCS)
m_pCountedCS = pDocPageData->FindColorSpacePtr(m_pCS->GetArray());