Description
HarfBuzz 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 mishandling, related to hb-ot-layout-gpos-table.hh, hb-ot-layout-gsub-table.hh, and hb-ot-layout-gsubgpos-private.hh.
References (1)
Core 1
Core References
Patch, Vendor Advisory x_refsource_misc
https://github.com/harfbuzz/harfbuzz/commit/c917965b9e6fe2b21ed6c51559673288fa3af4b7
Scores
CVSS v3
6.5
EPSS
0.0053
EPSS Percentile
67.2%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Details
CWE
CWE-125
Status
published
Products (1)
harfbuzz_project/harfbuzz
< 1.0.4
Published
Nov 15, 2018
Tracked Since
Feb 18, 2026