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-rw-r--r--Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-cff-common.hh1
1 files changed, 1 insertions, 0 deletions
diff --git a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-cff-common.hh b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-cff-common.hh
index c645953e5b9..61e615cf0fb 100644
--- a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-cff-common.hh
+++ b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-cff-common.hh
@@ -525,6 +525,7 @@ struct FDArray : CFFIndexOf<COUNT, FontDict>
for (unsigned i = 0; i < fontDicts.length; i++)
if (fdmap.includes (i))
{
+ if (unlikely (fid >= fdCount)) return_trace (false);
CFFIndexOf<COUNT, FontDict>::set_offset_at (fid++, offset);
offset += FontDict::calculate_serialized_size (fontDicts[i], opszr);
}