Description: Stack-buffer-overflow in glyph handling.
 Credit to Google Chrome Security Team (Cris Neckar).

---
 src/3rdparty/harfbuzz/src/harfbuzz-myanmar.c |    1 +
 1 file changed, 1 insertion(+)

--- a/src/3rdparty/harfbuzz/src/harfbuzz-myanmar.c
+++ b/src/3rdparty/harfbuzz/src/harfbuzz-myanmar.c
@@ -359,6 +359,7 @@ static HB_Bool myanmar_shape_syllable(HB
         if (kinzi >= 0 && i > base && (cc & Mymr_CF_AFTER_KINZI)) {
             reordered[len] = Mymr_C_NGA;
             reordered[len+1] = Mymr_C_VIRAMA;
+            if (len > 0)
             properties[len-1] = AboveForm;
             properties[len] = AboveForm;
             len += 2;