CVE-2026-113679: harfbuzz 8.0.0 through 14.6.0

Affected technology

harfbuzz · 8.0.0 through 14.6.0
harfbuzz

Description’s affected range: through 14.6.0

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Local · No privileges required · Passive user interaction

What an attacker can do

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. Vendor/CNA’s CVSS 4.0 assessment (base score 7.3/10) rates confidentiality, integrity and availability impact as high.