UBUNTU-CVE-2019-20633

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Source
https://ubuntu.com/security/CVE-2019-20633
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-20633.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2019-20633
Upstream
Published
2020-03-25T17:15:00Z
Modified
2025-10-24T04:48:09Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - negligible
Summary
[none]
Details

GNU patch through 2.7.6 contains a free(pline[pend]) Double Free vulnerability in the function another_hunk in pch.c that can cause a denial of service via a crafted patch file. NOTE: this issue exists because of an incomplete fix for CVE-2018-6952.

References

Affected packages

Ubuntu:16.04:LTS

patch

Package

Name
patch
Purl
pkg:deb/ubuntu/patch@2.7.5-1ubuntu0.16.04.2?arch=source&distro=xenial

Affected ranges

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

Affected versions

2.*

2.7.5-1
2.7.5-1ubuntu0.16.04.1
2.7.5-1ubuntu0.16.04.2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2.7.5-1ubuntu0.16.04.2",
            "binary_name": "patch"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-20633.json"

Ubuntu:18.04:LTS

patch

Package

Name
patch
Purl
pkg:deb/ubuntu/patch@2.7.6-2ubuntu1.1?arch=source&distro=bionic

Affected ranges

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

Affected versions

2.*

2.7.5-1build1
2.7.6-1
2.7.6-2ubuntu1
2.7.6-2ubuntu1.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2.7.6-2ubuntu1.1",
            "binary_name": "patch"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-20633.json"

Ubuntu:20.04:LTS

patch

Package

Name
patch
Purl
pkg:deb/ubuntu/patch@2.7.6-6?arch=source&distro=focal

Affected ranges

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

Affected versions

2.*

2.7.6-6

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2.7.6-6",
            "binary_name": "patch"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-20633.json"

Ubuntu:22.04:LTS

patch

Package

Name
patch
Purl
pkg:deb/ubuntu/patch@2.7.6-7build2?arch=source&distro=jammy

Affected ranges

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

Affected versions

2.*

2.7.6-7
2.7.6-7build1
2.7.6-7build2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2.7.6-7build2",
            "binary_name": "patch"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-20633.json"

Ubuntu:24.04:LTS

patch

Package

Name
patch
Purl
pkg:deb/ubuntu/patch@2.7.6-7build3?arch=source&distro=noble

Affected ranges

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

Affected versions

2.*

2.7.6-7build2
2.7.6-7build3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2.7.6-7build3",
            "binary_name": "patch"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-20633.json"

Ubuntu:25.04

patch

Package

Name
patch
Purl
pkg:deb/ubuntu/patch@2.7.6-7build3?arch=source&distro=plucky

Affected ranges

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

Affected versions

2.*

2.7.6-7build3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2.7.6-7build3",
            "binary_name": "patch"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-20633.json"

Ubuntu:25.10

patch

Package

Name
patch
Purl
pkg:deb/ubuntu/patch@2.8-2?arch=source&distro=questing

Affected ranges

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

Affected versions

2.*

2.7.6-7build3
2.8-1
2.8-2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2.8-2",
            "binary_name": "patch"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-20633.json"

Ubuntu:Pro:14.04:LTS

patch

Package

Name
patch
Purl
pkg:deb/ubuntu/patch@2.7.1-4ubuntu2.4+esm1?arch=source&distro=esm-infra-legacy/trusty

Affected ranges

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

Affected versions

2.*

2.7.1-3
2.7.1-4
2.7.1-4ubuntu1
2.7.1-4ubuntu2
2.7.1-4ubuntu2.3
2.7.1-4ubuntu2.4
2.7.1-4ubuntu2.4+esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2.7.1-4ubuntu2.4+esm1",
            "binary_name": "patch"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-20633.json"