UBUNTU-CVE-2019-6706

See a problem?
Please try reporting it to the source first.
Source
https://ubuntu.com/security/CVE-2019-6706
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-6706.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2019-6706
Upstream
Downstream
Related
Published
2019-01-23T00:00:00Z
Modified
2025-09-08T16:45:16Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
  • 7.5 (High) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

Lua 5.3.5 has a use-after-free in lua_upvaluejoin in lapi.c. For example, a crash outcome might be achieved by an attacker who is able to trigger a debug.upvaluejoin call in which the arguments have certain relationships.

References

Affected packages

Ubuntu:16.04:LTS / 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
Fixed
5.3.1-1ubuntu2.1

Affected versions

5.*

5.3.1-1
5.3.1-1ubuntu2

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "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",
            "binary_version": "5.3.1-1ubuntu2.1"
        }
    ]
}

Ubuntu:18.04:LTS / lua5.3

Package

Name
lua5.3
Purl
pkg:deb/ubuntu/lua5.3@5.3.3-1ubuntu0.18.04.1?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
5.3.3-1ubuntu0.18.04.1

Affected versions

5.*

5.3.3-1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "liblua5.3-0",
            "binary_version": "5.3.3-1ubuntu0.18.04.1"
        },
        {
            "binary_name": "liblua5.3-dev",
            "binary_version": "5.3.3-1ubuntu0.18.04.1"
        },
        {
            "binary_name": "lua5.3",
            "binary_version": "5.3.3-1ubuntu0.18.04.1"
        }
    ]
}