UBUNTU-CVE-2018-20453

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Source
https://ubuntu.com/security/CVE-2018-20453
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-20453.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2018-20453
Upstream
Published
2018-12-25T17:29:00Z
Modified
2026-09-28T17:30:05Z
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 - low
Summary
[none]
Details

The getlong function in numutils.c in libdoc through 2017-10-23 has a heap-based buffer over-read that allows attackers to cause a denial of service (application crash) via a crafted file.

References

Affected packages

Ubuntu:25.10
catdoc

Package

Name
catdoc
Purl
pkg:deb/ubuntu/catdoc?arch=source&distro=questing

Affected ranges

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

Affected versions

1:0.*
1:0.95-5build1
1:0.95-6

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "catdoc",
            "binary_version":  "1:0.95-6"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-20453.json"
Ubuntu:26.04:LTS
catdoc

Package

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

Affected ranges

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

Affected versions

1:0.*
1:0.95-6
1:0.95-6build1

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "catdoc",
            "binary_version":  "1:0.95-6build1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-20453.json"
Ubuntu:Pro:16.04:LTS
catdoc

Package

Name
catdoc
Purl
pkg:deb/ubuntu/catdoc?arch=source&distro=esm-apps-legacy%2Fxenial

Affected ranges

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

Affected versions

0.*
0.94.4-1.1
1:0.*
1:0.94.3~git20151007.fd634c2+dfsg-2
1:0.94.3~git20151007.fd634c2+dfsg-3
1:0.94.3~git20160113.dbc9ec6+dfsg-1
1:0.94.3~git20160113.dbc9ec6+dfsg-1+deb9u1build0.16.04.1
1:0.94.3~git20160113.dbc9ec6+dfsg-1+deb9u1ubuntu0.1~esm1

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "catdoc",
            "binary_version":  "1:0.94.3~git20160113.dbc9ec6+dfsg-1+deb9u1ubuntu0.1~esm1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-20453.json"
Ubuntu:Pro:18.04:LTS
catdoc

Package

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

Affected ranges

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

Affected versions

1:0.*
1:0.95-3
1:0.95-4.1
1:0.95-4.1ubuntu0.18.04.1~esm1

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "catdoc",
            "binary_version":  "1:0.95-4.1ubuntu0.18.04.1~esm1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-20453.json"
Ubuntu:Pro:20.04:LTS
catdoc

Package

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

Affected ranges

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

Affected versions

1:0.*
1:0.95-4.1
1:0.95-4.1ubuntu0.20.04.1~esm1

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "catdoc",
            "binary_version":  "1:0.95-4.1ubuntu0.20.04.1~esm1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-20453.json"
Ubuntu:Pro:22.04:LTS
catdoc

Package

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

Affected ranges

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

Affected versions

1:0.*
1:0.95-4.1
1:0.95-4.2
1:0.95-5
1:0.95-5ubuntu0.22.04.1~esm1

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "catdoc",
            "binary_version":  "1:0.95-5ubuntu0.22.04.1~esm1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-20453.json"
Ubuntu:Pro:24.04:LTS
catdoc

Package

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

Affected ranges

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

Affected versions

1:0.*
1:0.95-5
1:0.95-5build1
1:0.95-5ubuntu0.24.04.1~esm1

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "catdoc",
            "binary_version":  "1:0.95-5ubuntu0.24.04.1~esm1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-20453.json"