CVE-2026-113679: HarfBuzz 8.0.0 through 14.6.0 Out-of-Bounds Write via WebAssembly font_glyph_to_string

Overview

Severity

High (CVSS 7)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Oct

Released

2026-10-22

EPSS Score

0.17% (percentile: 5.5%)

Affected Products (1)

Other

• 20833-17084

Revision History

• 2026-10-22: Information published.