CVE-2021-36081 Explained : Impact and Mitigation

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

Understanding CVE-2021-36081

This CVE pertains to a specific vulnerability found in Tesseract OCR 5.0.0-alpha-20201231.

What is CVE-2021-36081?

CVE-2021-36081 involves a use-after-free vulnerability that occurs during a strpbrk call in Tesseract OCR version 5.0.0-alpha-20201231.

The Impact of CVE-2021-36081

Exploitation of this vulnerability could lead to potential arbitrary code execution or denial of service attacks.

Technical Details of CVE-2021-36081

This section provides more in-depth technical information regarding the CVE.

Vulnerability Description

The vulnerability in Tesseract OCR 5.0.0-alpha-20201231 results in a one_ell_conflict use-after-free scenario during a strpbrk call.

Affected Systems and Versions

The affected version is Tesseract OCR 5.0.0-alpha-20201231.

Exploitation Mechanism

Attackers can exploit this vulnerability by utilizing a specific sequence of actions that trigger the use-after-free scenario.

Mitigation and Prevention

Learn how to mitigate and prevent the exploitation of CVE-2021-36081 in Tesseract OCR.

Immediate Steps to Take

Immediately update Tesseract OCR to a patched version to mitigate the vulnerability.

Long-Term Security Practices

Establish robust security practices, such as regularly updating software and monitoring for security advisories.

Patching and Updates

Stay informed about security patches and updates released by the Tesseract OCR project to address this vulnerability.