Harfbuzz Project

8 CVEs across 1 Harfbuzz Project products. Browse Harfbuzz Project vulnerabilities, severities, and proof-of-concept exploits.

Harfbuzz Project products with known CVEs

ProductCVEs
Harfbuzz8
Harfbuzz Project CVEs — newest first
CVESeverityScorePublishedSummary
CVE-2026-22693Medium5.32026-01-10HarfBuzz is a text shaping engine. Prior to version 12.3.0, a null pointer dereference vulnerability exists in the SubtableUnicodesCache::create function locat…
CVE-2024-56732High8.82024-12-27HarfBuzz is a text shaping engine. Starting with 8.5.0 through 10.0.1, there is a heap-based buffer overflow in the hb_cairo_glyphs_from_buffer function.
CVE-2023-25193High7.52023-02-04hb-ot-layout-gsubgpos.hh in HarfBuzz through 6.0.0 allows attackers to trigger O(n^2) growth via consecutive marks during the process of looking back for base…
CVE-2022-33068Medium5.52022-06-23An integer overflow in the component hb-ot-shape-fallback.cc of Harfbuzz v4.3.0 allows attackers to cause a Denial of Service (DoS) via unspecified vectors.
CVE-2021-45931Medium6.52022-01-01HarfBuzz 2.9.0 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).
CVE-2015-9274Medium6.52018-11-15HarfBuzz before 1.0.4 allows remote attackers to cause a denial of service (invalid read of two bytes and application crash) because of GPOS and GSUB table mis…
CVE-2015-8947High7.62016-07-19hb-ot-layout-gpos-table.hh in HarfBuzz before 1.0.5 allows remote attackers to cause a denial of service (buffer over-read) or possibly have unspecified other…
CVE-2016-2052High7.62016-01-25Multiple unspecified vulnerabilities in HarfBuzz before 1.0.6, as used in Google Chrome before 48.0.2564.82, allow attackers to cause a denial of service or po…