What is the CVSS score of CVE-2021-36081?

CVE-2021-36081 has a CVSS 3.1 base score of 7.8 (High). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.9%.

Is there a public PoC exploit available for CVE-2021-36081?

Yes, a public proof-of-concept exploit is available for CVE-2021-36081. Prioritise patching immediately. EPSS: 0.9%.

Is there a patch available for CVE-2021-36081?

Yes, a patch is available for CVE-2021-36081. Update the affected software to the latest version immediately.

Tesseract Ocr CVE-2021-36081

HIGH

Use After Free (CWE-416)

2021-07-01 cve@mitre.org

Use After Free Memory Corruption Information Disclosure Tesseract Ocr

7.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.8 HIGH

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Jul 01, 2021 - 03:15 nvd

HIGH 7.8

DescriptionNVD

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

AnalysisAI

Tesseract OCR 5.0.0-alpha-20201231 has a one_ell_conflict use-after-free during a strpbrk call. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. Public exploit code available.

Technical ContextAI

This vulnerability is classified as Use After Free (CWE-416), which allows attackers to access freed memory to execute arbitrary code or crash the application. Tesseract OCR 5.0.0-alpha-20201231 has a one_ell_conflict use-after-free during a strpbrk call. Affected products include: Tesseract Ocr Project Tesseract Ocr.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Use smart pointers or garbage-collected languages. Set pointers to NULL after freeing. Enable memory sanitizers.