diff options
Diffstat (limited to 'src/fontcache.cpp')
-rw-r--r-- | src/fontcache.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/fontcache.cpp b/src/fontcache.cpp index b279c3463..616c54a9e 100644 --- a/src/fontcache.cpp +++ b/src/fontcache.cpp @@ -1034,6 +1034,9 @@ const Sprite *GetGlyph(FontSize size, WChar key) width = max(1, slot->bitmap.width + (size == FS_NORMAL)); height = max(1, slot->bitmap.rows + (size == FS_NORMAL)); + /* Limit glyph size to prevent overflows later on. */ + if (width > 256 || height > 256) usererror("Font glyph is too large"); + /* FreeType has rendered the glyph, now we allocate a sprite and copy the image into it */ sprite.AllocateData(width * height); sprite.width = width; |