Starting with harfbuzz 0.9.18 there is a known crash. Stay with 0.9.17 until this is fixed upstream.
refs #12425
d3e964e contrib: harfbuzz: revert version to 0.9.17
contrib/src/harfbuzz/SHA512SUMS | 2 +-
contrib/src/harfbuzz/rules.mak | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
Upstream: git.videolan.org