PT-2025-45967 · Julia · Harfbuzz Icu Jll+1

Published

2025-10-21

·

Updated

2025-10-21

CVSS v3.1

7.5

High

VectorAV: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.

Fix

Found an issue in the description? Have something to add? Feel free to write us 👾

Related Identifiers

JLSEC-2025-175

Affected Products

Harfbuzz Icu Jll
Harfbuzz Jll