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
2026-10-06T18:07:42Z
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 one_ell_conflict use-after-free during a strpbrk call.

References

Affected packages

Ubuntu:Pro:20.04:LTS / tesseract

Package

Name
tesseract
Purl
pkg:deb/ubuntu/tesseract?arch=source&distro=esm-apps%2Ffocal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown 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
4.1.1-2ubuntu0.1~esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libtesseract4",
            "binary_version": "4.1.1-2ubuntu0.1~esm1"
        },
        {
            "binary_name": "tesseract-ocr",
            "binary_version": "4.1.1-2ubuntu0.1~esm1"
        },
        {
            "binary_name": "tesseract-ocr-all",
            "binary_version": "4.1.1-2ubuntu0.1~esm1"
        }
    ]
}

Database specific

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

Ubuntu:Pro:22.04:LTS / tesseract

Package

Name
tesseract
Purl
pkg:deb/ubuntu/tesseract?arch=source&distro=esm-apps%2Fjammy

Affected ranges

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

Affected versions

4.*
4.1.1-2.1
4.1.1-2.1build1
4.1.1-2.1ubuntu0.1~esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libtesseract4",
            "binary_version": "4.1.1-2.1ubuntu0.1~esm1"
        },
        {
            "binary_name": "tesseract-ocr",
            "binary_version": "4.1.1-2.1ubuntu0.1~esm1"
        },
        {
            "binary_name": "tesseract-ocr-all",
            "binary_version": "4.1.1-2.1ubuntu0.1~esm1"
        }
    ]
}

Database specific

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