UBUNTU-CVE-2021-44964

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Source
https://ubuntu.com/security/CVE-2021-44964
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-44964.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2021-44964
Upstream
Published
2022-03-14T15:15:00Z
Modified
2025-10-24T04:50:38Z
Severity
  • 6.3 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

Use after free in garbage collector and finalizer of lgc.c in Lua interpreter 5.4.0~5.4.3 allows attackers to perform Sandbox Escape via a crafted script file.

References

Affected packages

Ubuntu:14.04:LTS

lua5.2

Package

Name
lua5.2
Purl
pkg:deb/ubuntu/lua5.2@5.2.3-1?arch=source&distro=trusty

Affected ranges

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

Affected versions

5.*

5.2.2-1
5.2.2-2
5.2.2-3
5.2.3-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "5.2.3-1",
            "binary_name": "liblua5.2-0"
        },
        {
            "binary_version": "5.2.3-1",
            "binary_name": "liblua5.2-dev"
        },
        {
            "binary_version": "5.2.3-1",
            "binary_name": "lua5.2"
        }
    ]
}

Ubuntu:16.04:LTS

lua5.2

Package

Name
lua5.2
Purl
pkg:deb/ubuntu/lua5.2@5.2.4-1ubuntu1?arch=source&distro=xenial

Affected ranges

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

Affected versions

5.*

5.2.4-1
5.2.4-1ubuntu1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "5.2.4-1ubuntu1",
            "binary_name": "liblua5.2-0"
        },
        {
            "binary_version": "5.2.4-1ubuntu1",
            "binary_name": "liblua5.2-dev"
        },
        {
            "binary_version": "5.2.4-1ubuntu1",
            "binary_name": "lua5.2"
        }
    ]
}

lua5.3

Package

Name
lua5.3
Purl
pkg:deb/ubuntu/lua5.3@5.3.1-1ubuntu2.1?arch=source&distro=xenial

Affected ranges

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

Affected versions

5.*

5.3.1-1
5.3.1-1ubuntu2
5.3.1-1ubuntu2.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "5.3.1-1ubuntu2.1",
            "binary_name": "liblua5.3-0"
        },
        {
            "binary_version": "5.3.1-1ubuntu2.1",
            "binary_name": "liblua5.3-dev"
        },
        {
            "binary_version": "5.3.1-1ubuntu2.1",
            "binary_name": "lua5.3"
        }
    ]
}

lua50

Package

Name
lua50
Purl
pkg:deb/ubuntu/lua50@5.0.3-7?arch=source&distro=xenial

Affected ranges

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

Affected versions

5.*

5.0.3-7

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "5.0.3-7",
            "binary_name": "liblua50"
        },
        {
            "binary_version": "5.0.3-7",
            "binary_name": "liblua50-dev"
        },
        {
            "binary_version": "5.0.3-7",
            "binary_name": "liblualib50"
        },
        {
            "binary_version": "5.0.3-7",
            "binary_name": "liblualib50-dev"
        },
        {
            "binary_version": "5.0.3-7",
            "binary_name": "lua50"
        }
    ]
}

Ubuntu:18.04:LTS

lua50

Package

Name
lua50
Purl
pkg:deb/ubuntu/lua50@5.0.3-8?arch=source&distro=bionic

Affected ranges

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

Affected versions

5.*

5.0.3-8

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "5.0.3-8",
            "binary_name": "liblua50"
        },
        {
            "binary_version": "5.0.3-8",
            "binary_name": "liblua50-dev"
        },
        {
            "binary_version": "5.0.3-8",
            "binary_name": "liblualib50"
        },
        {
            "binary_version": "5.0.3-8",
            "binary_name": "liblualib50-dev"
        },
        {
            "binary_version": "5.0.3-8",
            "binary_name": "lua50"
        }
    ]
}

Ubuntu:20.04:LTS

lua50

Package

Name
lua50
Purl
pkg:deb/ubuntu/lua50@5.0.3-8build1?arch=source&distro=focal

Affected ranges

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

Affected versions

5.*

5.0.3-8build1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "5.0.3-8build1",
            "binary_name": "liblua50"
        },
        {
            "binary_version": "5.0.3-8build1",
            "binary_name": "liblua50-dev"
        },
        {
            "binary_version": "5.0.3-8build1",
            "binary_name": "liblualib50"
        },
        {
            "binary_version": "5.0.3-8build1",
            "binary_name": "liblualib50-dev"
        },
        {
            "binary_version": "5.0.3-8build1",
            "binary_name": "lua50"
        }
    ]
}