HarfBuzz O(n^2) Growth Vulnerability in hb-ot-layout-gsubgpos.hh

HarfBuzz O(n^2) Growth Vulnerability in hb-ot-layout-gsubgpos.hh

CVE-2023-25193 · HIGH Severity

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

hb-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 glyphs when attaching marks.

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