CVE-2021-45931: Out-of-bounds Write

January 1, 2022 (updated November 9, 2023)

HarfBuzz has an out-of-bounds write in hb_bit_set_invertible_t::set (called from hb_sparseset_t<hb_bit_set_invertible_t>::set and hb_set_copy).

References

bugs.chromium.org/p/oss-fuzz/issues/detail?id=37425
github.com/google/oss-fuzz-vulns/blob/main/vulns/harfbuzz/OSV-2021-1159.yaml
github.com/harfbuzz/harfbuzz/commit/d3e09bf4654fe5478b6dbf2b26ebab6271317d81
nvd.nist.gov/vuln/detail/CVE-2021-45931

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