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fix bogus font validation

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This commit is contained in:
Isaac Connor
2021-04-20 11:37:57 -04:00
parent 9970df7fde
commit 467baf8a95
1 changed files with 2 additions and 2 deletions
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4
src/zm_font.cpp
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@@ -35,8 +35,8 @@ int ZmFont::ReadFontFile(const std::string &loc) {
height cannot be greater than 200(arbitary number which i have chosen, shouldn't need more than this) and
idx should not be more than filesize
*/
if ( (font->header[i].charWidth > 64 && font->header[i].charWidth == 0) ||
(font->header[i].charHeight > 200 && font->header[i].charHeight == 0) ||
if ( font->header[i].charWidth > 64 || font->header[i].charWidth == 0 ||
font->header[i].charHeight > 200 || font->header[i].charHeight == 0 ||
(font->header[i].idx > st.st_size) ) {
delete font;
font = nullptr;