diff options
Diffstat (limited to 'core/fpdfapi/fpdf_font/cpdf_cidfont.cpp')
| -rw-r--r-- | core/fpdfapi/fpdf_font/cpdf_cidfont.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/core/fpdfapi/fpdf_font/cpdf_cidfont.cpp b/core/fpdfapi/fpdf_font/cpdf_cidfont.cpp index 491bd6d0c7..2bd886754e 100644 --- a/core/fpdfapi/fpdf_font/cpdf_cidfont.cpp +++ b/core/fpdfapi/fpdf_font/cpdf_cidfont.cpp @@ -18,6 +18,7 @@ #include "core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h" #include "core/fpdfapi/fpdf_parser/include/cpdf_stream_acc.h" #include "core/fpdfapi/include/cpdf_modulemgr.h" +#include "third_party/base/numerics/safe_math.h" namespace { @@ -768,7 +769,10 @@ FX_BOOL CPDF_CIDFont::IsUnicodeCompatible() const { } void CPDF_CIDFont::LoadSubstFont() { - m_Font.LoadSubst(m_BaseFont, !m_bType1, m_Flags, m_StemV * 5, m_ItalicAngle, + pdfium::base::CheckedNumeric<int> safeStemV(m_StemV); + safeStemV *= 5; + m_Font.LoadSubst(m_BaseFont, !m_bType1, m_Flags, + safeStemV.ValueOrDefault(FXFONT_FW_NORMAL), m_ItalicAngle, g_CharsetCPs[m_Charset], IsVertWriting()); } |