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-rw-r--r--core/fpdfapi/font/cpdf_font.cpp6
1 files changed, 4 insertions, 2 deletions
diff --git a/core/fpdfapi/font/cpdf_font.cpp b/core/fpdfapi/font/cpdf_font.cpp
index f636e9397a..ad7eeea264 100644
--- a/core/fpdfapi/font/cpdf_font.cpp
+++ b/core/fpdfapi/font/cpdf_font.cpp
@@ -452,9 +452,11 @@ const char* CPDF_Font::GetAdobeCharName(
uint32_t CPDF_Font::FallbackFontFromCharcode(uint32_t charcode) {
if (m_FontFallbacks.empty()) {
m_FontFallbacks.push_back(pdfium::MakeUnique<CFX_Font>());
+ pdfium::base::CheckedNumeric<int> safeWeight = m_StemV;
+ safeWeight *= 5;
m_FontFallbacks[0]->LoadSubst("Arial", IsTrueTypeFont(), m_Flags,
- m_StemV * 5, m_ItalicAngle, 0,
- IsVertWriting());
+ safeWeight.ValueOrDefault(FXFONT_FW_NORMAL),
+ m_ItalicAngle, 0, IsVertWriting());
}
return 0;
}