harfbuzz vulnerabilities (Root)

3 vulnerabilities.

• harfbuzz Root Null Pointer Dereference in SubtableUnicodesCache::create leading to DoS CVE-2026-22693 Fix available 5.3 MediumJanuary 10, 2026
• harfbuzz Root hb-ot-layout-gsubgpos.hh in HarfBuzz through 6.0.0 allows attackers to trigger O(n^2) growth via... CVE-2023-25193 Fix available 7.5 HighFebruary 4, 2023
• harfbuzz Root An integer overflow in the component hb-ot-shape-fallback.cc of Harfbuzz v4.3.0 allows attackers... CVE-2022-33068 Fix available 5.5 MediumJune 22, 2022