UBUNTU-CVE-2026-73067

Source
https://ubuntu.com/security/CVE-2026-73067
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-73067.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-73067
Upstream
Published
2026-08-13T00:00:00Z
Modified
2026-08-13T19:31:01.660157380Z
Severity
  • 6.7 (Medium) CVSS_V4 - CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

Tesseract is an open source OCR engine. Prior to 5.5.3, a crafted .traineddata model loaded through TessBaseAPI::Init can cause SquishedDawg::readsquisheddawg in src/dict/dawg.cpp to accept an unterminated forward-edge run, after which SquishedDawg::Load calls numforwardedges(0) and lastedge in src/dict/dawg.h reads beyond edges, causing a heap out-of-bounds read and process crash before image processing. This issue is fixed in version 5.5.3.

References

Affected packages

Ubuntu:14.04:LTS
tesseract

Package

Name
tesseract
Purl
pkg:deb/ubuntu/tesseract?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": "libtesseract3"
        },
        {
            "binary_version": "3.03.02-3",
            "binary_name": "tesseract-ocr"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-73067.json"
Ubuntu:16.04:LTS
tesseract

Package

Name
tesseract
Purl
pkg:deb/ubuntu/tesseract?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": "libtesseract3"
        },
        {
            "binary_version": "3.04.01-4",
            "binary_name": "tesseract-ocr"
        },
        {
            "binary_version": "3.04.01-4",
            "binary_name": "tesseract-ocr-all"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-73067.json"
Ubuntu:18.04:LTS
tesseract

Package

Name
tesseract
Purl
pkg:deb/ubuntu/tesseract?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": "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/2026/UBUNTU-CVE-2026-73067.json"
Ubuntu:20.04:LTS
tesseract

Package

Name
tesseract
Purl
pkg:deb/ubuntu/tesseract?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": "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/2026/UBUNTU-CVE-2026-73067.json"
Ubuntu:22.04:LTS
tesseract

Package

Name
tesseract
Purl
pkg:deb/ubuntu/tesseract?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": "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/2026/UBUNTU-CVE-2026-73067.json"
Ubuntu:24.04:LTS
tesseract

Package

Name
tesseract
Purl
pkg:deb/ubuntu/tesseract?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": "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/2026/UBUNTU-CVE-2026-73067.json"
Ubuntu:26.04:LTS
tesseract

Package

Name
tesseract
Purl
pkg:deb/ubuntu/tesseract?arch=source&distro=resolute

Affected ranges

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

Affected versions

5.*
5.5.0-1
5.5.0-1build1

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "5.5.0-1build1",
            "binary_name": "libtesseract5"
        },
        {
            "binary_version": "5.5.0-1build1",
            "binary_name": "tesseract-ocr"
        },
        {
            "binary_version": "5.5.0-1build1",
            "binary_name": "tesseract-ocr-all"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-73067.json"