CVE Catalog

CVE-2021-36081

HighCVSS 7.8
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Elevated risk
0.89%

57th percentile - higher than 57% of all known CVEs

Summary

Tesseract OCR version 5.0.0-alpha-20201231 contains a use-after-free vulnerability in the one_ell_conflict function during a strpbrk call. The flaw may lead to improper access to freed memory.

Risk Assessment

Exploitation could cause application crashes or potentially arbitrary code execution in the context of the process handling untrusted images.

Recommendation

Update Tesseract OCR to the latest stable version containing the fix, or avoid processing untrusted input until the update is applied.

Related vulnerabilities

Original NVD description (English source)

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

Vulnerability data from NVD (NIST) · CISA KEV · EPSS