CVE-2020-6623: Nothings Stb Truetype.h

High severity, CVSS 8.8. EPSS: 1.5% chance of exploitation in the next 30 days.

stb stb_truetype.h through 1.22 has an assertion failure in stbtt__cff_get_index.

Affected products

• Nothings Stb Truetype.h: up to and including 1.22

Published 2020-01-08. Last modified 2026-06-17.