UBUNTU-CVE-2021-36081

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Source
https://ubuntu.com/security/CVE-2021-36081
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-36081.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2021-36081
Upstream
Published
2021-07-01T03:15:00Z
Modified
2025-10-24T04:50:26Z
Severity
  • 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

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

References

Affected packages

Ubuntu:14.04:LTS

tesseract

Package

Name
tesseract
Purl
pkg:deb/ubuntu/tesseract@3.03.02-3?arch=source&distro=trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

3.*

3.02.02-1
3.03.02-3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "3.03.02-3",
            "binary_name": "libtesseract-dev"
        },
        {
            "binary_version": "3.03.02-3",
            "binary_name": "libtesseract3"
        },
        {
            "binary_version": "3.03.02-3",
            "binary_name": "tesseract-ocr"
        },
        {
            "binary_version": "3.03.02-3",
            "binary_name": "tesseract-ocr-dev"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-36081.json"

Ubuntu:16.04:LTS

tesseract

Package

Name
tesseract
Purl
pkg:deb/ubuntu/tesseract@3.04.01-4?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

3.*

3.04.00-5ubuntu1
3.04.01-2
3.04.01-4

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "3.04.01-4",
            "binary_name": "libtesseract-dev"
        },
        {
            "binary_version": "3.04.01-4",
            "binary_name": "libtesseract3"
        },
        {
            "binary_version": "3.04.01-4",
            "binary_name": "tesseract-ocr"
        },
        {
            "binary_version": "3.04.01-4",
            "binary_name": "tesseract-ocr-all"
        },
        {
            "binary_version": "3.04.01-4",
            "binary_name": "tesseract-ocr-dev"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-36081.json"

Ubuntu:18.04:LTS

tesseract

Package

Name
tesseract
Purl
pkg:deb/ubuntu/tesseract@4.00~git2288-10f4998a-2?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

3.*

3.04.01-6
3.04.01-6build1
3.04.01-6build2

4.*

4.00~git2188-cdc35338-4build1
4.00~git2188-cdc35338-5
4.00~git2207-766b7bd6-3.1
4.00~git2219-40f43111-1.2
4.00~git2288-10f4998a-2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "4.00~git2288-10f4998a-2",
            "binary_name": "libtesseract-dev"
        },
        {
            "binary_version": "4.00~git2288-10f4998a-2",
            "binary_name": "libtesseract4"
        },
        {
            "binary_version": "4.00~git2288-10f4998a-2",
            "binary_name": "tesseract-ocr"
        },
        {
            "binary_version": "4.00~git2288-10f4998a-2",
            "binary_name": "tesseract-ocr-all"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-36081.json"

Ubuntu:20.04:LTS

tesseract

Package

Name
tesseract
Purl
pkg:deb/ubuntu/tesseract@4.1.1-2build2?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

4.*

4.1.0-1
4.1.0-2
4.1.1-1
4.1.1-2
4.1.1-2build1
4.1.1-2build2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "4.1.1-2build2",
            "binary_name": "libtesseract-dev"
        },
        {
            "binary_version": "4.1.1-2build2",
            "binary_name": "libtesseract4"
        },
        {
            "binary_version": "4.1.1-2build2",
            "binary_name": "tesseract-ocr"
        },
        {
            "binary_version": "4.1.1-2build2",
            "binary_name": "tesseract-ocr-all"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-36081.json"

Ubuntu:22.04:LTS

tesseract

Package

Name
tesseract
Purl
pkg:deb/ubuntu/tesseract@4.1.1-2.1build1?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

4.*

4.1.1-2.1
4.1.1-2.1build1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "4.1.1-2.1build1",
            "binary_name": "libtesseract-dev"
        },
        {
            "binary_version": "4.1.1-2.1build1",
            "binary_name": "libtesseract4"
        },
        {
            "binary_version": "4.1.1-2.1build1",
            "binary_name": "tesseract-ocr"
        },
        {
            "binary_version": "4.1.1-2.1build1",
            "binary_name": "tesseract-ocr-all"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-36081.json"

Ubuntu:24.04:LTS

tesseract

Package

Name
tesseract
Purl
pkg:deb/ubuntu/tesseract@5.3.4-1build5?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

5.*

5.3.0-2build1
5.3.3-1
5.3.3-1build1
5.3.4-1
5.3.4-1build3
5.3.4-1build4
5.3.4-1build5

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "5.3.4-1build5",
            "binary_name": "libtesseract-dev"
        },
        {
            "binary_version": "5.3.4-1build5",
            "binary_name": "libtesseract5"
        },
        {
            "binary_version": "5.3.4-1build5",
            "binary_name": "tesseract-ocr"
        },
        {
            "binary_version": "5.3.4-1build5",
            "binary_name": "tesseract-ocr-all"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-36081.json"

Ubuntu:25.04

tesseract

Package

Name
tesseract
Purl
pkg:deb/ubuntu/tesseract@5.5.0-1?arch=source&distro=plucky

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

5.*

5.3.4-1.1
5.3.4-1.4build1
5.3.4-1.4build2
5.5.0-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "5.5.0-1",
            "binary_name": "libtesseract-dev"
        },
        {
            "binary_version": "5.5.0-1",
            "binary_name": "libtesseract5"
        },
        {
            "binary_version": "5.5.0-1",
            "binary_name": "tesseract-ocr"
        },
        {
            "binary_version": "5.5.0-1",
            "binary_name": "tesseract-ocr-all"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-36081.json"

Ubuntu:25.10

tesseract

Package

Name
tesseract
Purl
pkg:deb/ubuntu/tesseract@5.5.0-1?arch=source&distro=questing

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

5.*

5.5.0-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "5.5.0-1",
            "binary_name": "libtesseract-dev"
        },
        {
            "binary_version": "5.5.0-1",
            "binary_name": "libtesseract5"
        },
        {
            "binary_version": "5.5.0-1",
            "binary_name": "tesseract-ocr"
        },
        {
            "binary_version": "5.5.0-1",
            "binary_name": "tesseract-ocr-all"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-36081.json"