CVE-2021-36081: Tesseract-Ocr Tesseract Ocr

High severity, CVSS 7.8. EPSS: 0.9% chance of exploitation in the next 30 days.

Tesseract OCR 5.0.0-alpha-20201231 has a one_ell_conflict use-after-free during a strpbrk call.

Affected products

• Tesseract-Ocr Tesseract Ocr: version 5.0.0 only

Published 2021-07-01. Last modified 2026-09-14.