CVE-2021-36081

Severity Score

7.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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

Tesseract OCR versión 5.0.0-alpha-2020123,1 presenta un uso de memoria previamente liberada en la función one_ell_conflict durante una llamada a strpbrk

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-07-01 CVE Reserved
2021-07-01 CVE Published
2024-08-04 CVE Updated
2024-08-04 First Exploit
2024-11-03 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-416: Use After Free

CAPEC

References (3)

URL	Tag	Source
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/tesseract-ocr/OSV-2021-211.yaml	Third Party Advisory

URL	Date	SRC
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=29698	2024-08-04

URL	Date	SRC
https://github.com/tesseract-ocr/tesseract/commit/e6f15621c2ab2ecbfabf656942d8ef66f03b2d55	2021-07-08

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Tesseract Ocr Project Search vendor "Tesseract Ocr Project"	Tesseract Ocr Search vendor "Tesseract Ocr Project" for product "Tesseract Ocr"	5.0.0 Search vendor "Tesseract Ocr Project" for product "Tesseract Ocr" and version "5.0.0"	alpha-20201231	Affected	in	Linux Search vendor "Linux"	Linux Kernel Search vendor "Linux" for product "Linux Kernel"	-	-	Safe