CVE-2021-33479: Optical Character Recognition Project Optical Character Recognition

High severity, CVSS 7.8. EPSS: 1.2% chance of exploitation in the next 30 days.

A stack-based buffer overflow vulnerability was discovered in gocr through 0.53-20200802 in measure_pitch() in pgm2asc.c.

Affected products

• Optical Character Recognition Project Optical Character Recognition: up to and including 0.53-20200802

Published 2021-11-17. Last modified 2026-06-17.