Use After Free Affecting tesseract package, versions *


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.89% (58th percentile)

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  • Snyk IDSNYK-UBUNTU2204-TESSERACT-2776445
  • published17 Jan 2026
  • disclosed1 Jul 2021

Introduced: 1 Jul 2021

CVE-2021-36081  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

There is no fixed version for Ubuntu:22.04 tesseract.

NVD Description

Note: Versions mentioned in the description apply only to the upstream tesseract package and not the tesseract package as distributed by Ubuntu. See How to fix? for Ubuntu:22.04 relevant fixed versions and status.

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

CVSS Base Scores

version 3.1