CVE-2026-113679

HighCVSS 7.0/10Last modified Oct 20, 2026

Description

HarfBuzz 8.0.0 through 14.6.0 contains an out-of-bounds write vulnerability in the experimental WebAssembly shaper because the font_glyph_to_string import has a wrong WAMR signature. Attackers can supply a crafted font whose wasm module places the output buffer near linear memory's end, writing glyph-name bytes into host memory to crash or corrupt applications.

Metrics

CVSS 3.1 7.0/10CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-787

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

VendorProductVersions
harfbuzzharfbuzz>= 8.0.0, <= 14.6.0

References

Timeline

Published
Oct 20, 2026
Last modified
Oct 20, 2026
NVD status
Awaiting Analysis

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