UBUNTU-CVE-2018-20431

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Source
https://ubuntu.com/security/CVE-2018-20431
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-20431.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2018-20431
Upstream
Downstream
Related
Published
2018-12-24T05:29:00Z
Modified
2025-09-08T16:45:06Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

GNU Libextractor through 1.8 has a NULL Pointer Dereference vulnerability in the function processmetadata() in plugins/ole2extractor.c.

References

Affected packages

Ubuntu:Pro:14.04:LTS / libextractor

Package

Name
libextractor
Purl
pkg:deb/ubuntu/libextractor@1:1.3-1ubuntu0.1~esm1?arch=source&distro=trusty/esm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:1.3-1ubuntu0.1~esm1

Affected versions

1:1.*

1:1.1-1ubuntu1
1:1.2-1ubuntu1
1:1.3-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1:1.3-1ubuntu0.1~esm1",
            "binary_name": "extract"
        },
        {
            "binary_version": "1:1.3-1ubuntu0.1~esm1",
            "binary_name": "libextractor-dev"
        },
        {
            "binary_version": "1:1.3-1ubuntu0.1~esm1",
            "binary_name": "libextractor3"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Ubuntu:16.04:LTS / libextractor

Package

Name
libextractor
Purl
pkg:deb/ubuntu/libextractor@1:1.3-4+deb9u3build0.16.04.1?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:1.3-4+deb9u3build0.16.04.1

Affected versions

1:1.*

1:1.3-2build1
1:1.3-2ubuntu1
1:1.3-3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1:1.3-4+deb9u3build0.16.04.1",
            "binary_name": "extract"
        },
        {
            "binary_version": "1:1.3-4+deb9u3build0.16.04.1",
            "binary_name": "libextractor-dev"
        },
        {
            "binary_version": "1:1.3-4+deb9u3build0.16.04.1",
            "binary_name": "libextractor3"
        }
    ],
    "availability": "No subscription required"
}

Ubuntu:Pro:18.04:LTS / libextractor

Package

Name
libextractor
Purl
pkg:deb/ubuntu/libextractor@1:1.6-2?arch=source&distro=esm-apps/bionic

Affected ranges

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

Affected versions

1:1.*

1:1.3-4build3
1:1.6-1
1:1.6-1build1
1:1.6-2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1:1.6-2",
            "binary_name": "extract"
        },
        {
            "binary_version": "1:1.6-2",
            "binary_name": "libextractor-dev"
        },
        {
            "binary_version": "1:1.6-2",
            "binary_name": "libextractor3"
        }
    ]
}