organicmaps/harfbuzz
13
Fork 0
mirror of https://github.com/harfbuzz/harfbuzz.git synced 2025-04-07 06:25:03 +00:00
Code Issues 1 Projects Releases Wiki Activity Actions 7

[sbix] Limit glyph extents

Browse source 
Fixes https://github.com/harfbuzz/harfbuzz/issues/3557
This commit is contained in:
Behdad Esfahbod 2022-06-01 07:38:21 -06:00
parent cd05d187c8
commit 62e803b361
2 changed files with 6 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
src/hb-ot-color-sbix-table.hh
View file

@ -298,6 +298,12 @@ struct sbix
const PNGHeader &png = *blob->as<PNGHeader>();
if (png.IHDR.height >= 65536 | png.IHDR.width >= 65536)
{
hb_blob_destroy (blob);
return false;
}
extents->x_bearing = x_offset;
extents->y_bearing = png.IHDR.height + y_offset;
extents->width = png.IHDR.width;

BIN
test/fuzzing/fonts/sbix-extents.ttf Normal file
View file

Binary file not shown.