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| author | Henrique Nakashima <hnakashima@chromium.org> | 2017-12-15 18:40:04 +0000 |
|---|---|---|
| committer | Chromium commit bot <commit-bot@chromium.org> | 2017-12-15 18:40:04 +0000 |
| commit | 3208356db199098d1110780e138b74b6436deb0b (patch) | |
| tree | bf76a7b4b584f53e03e2f3eab4477e65078be481 | |
| parent | d92073b756277d2d4c9c839dd5ac8fa0e8bb9e28 (diff) | |
| download | pdfium-3208356db199098d1110780e138b74b6436deb0b.tar.xz | |
Validate shading pattern's ColorSpace. It cannot be a Pattern CS.
Bug: chromium:795251
Change-Id: I6c4fd75a5afd16ced499d031f9b535f8c6828854
Reviewed-on: https://pdfium-review.googlesource.com/21410
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
Commit-Queue: Henrique Nakashima <hnakashima@chromium.org>
| -rw-r--r-- | core/fpdfapi/page/cpdf_shadingpattern.cpp | 5 |
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()); |