UBUNTU-CVE-2023-24056

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Source
https://ubuntu.com/security/CVE-2023-24056
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-24056.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2023-24056
Upstream
Published
2023-01-22T04:15:00Z
Modified
2025-10-24T05:01:49Z
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
  • 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 - medium
Summary
[none]
Details

In pkgconf through 1.9.3, variable duplication can cause unbounded string expansion due to incorrect checks in libpkgconf/tuple.c:pkgconftupleparse. For example, a .pc file containing a few hundred bytes can expand to one billion bytes.

References

Affected packages

Ubuntu:16.04:LTS / pkgconf

Package

Name
pkgconf
Purl
pkg:deb/ubuntu/pkgconf@0.9.12-1?arch=source&distro=xenial

Affected ranges

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

Affected versions

0.*

0.9.12-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "0.9.12-1",
            "binary_name": "pkgconf"
        }
    ]
}

Ubuntu:18.04:LTS / pkgconf

Package

Name
pkgconf
Purl
pkg:deb/ubuntu/pkgconf@0.9.12-6?arch=source&distro=bionic

Affected ranges

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

Affected versions

0.*

0.9.12-6

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "0.9.12-6",
            "binary_name": "pkgconf"
        }
    ]
}

Ubuntu:20.04:LTS / pkgconf

Package

Name
pkgconf
Purl
pkg:deb/ubuntu/pkgconf@1.6.3-5?arch=source&distro=focal

Affected ranges

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

Affected versions

1.*

1.6.3-4
1.6.3-5

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.6.3-5",
            "binary_name": "libpkgconf"
        },
        {
            "binary_version": "1.6.3-5",
            "binary_name": "libpkgconf-dev"
        },
        {
            "binary_version": "1.6.3-5",
            "binary_name": "libpkgconf3"
        },
        {
            "binary_version": "1.6.3-5",
            "binary_name": "pkgconf"
        }
    ]
}

Ubuntu:22.04:LTS / pkgconf

Package

Name
pkgconf
Purl
pkg:deb/ubuntu/pkgconf@1.8.0-1?arch=source&distro=jammy

Affected ranges

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

Affected versions

1.*

1.7.4~git20210206+dcf529b-3
1.8.0-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.8.0-1",
            "binary_name": "libpkgconf"
        },
        {
            "binary_version": "1.8.0-1",
            "binary_name": "libpkgconf-dev"
        },
        {
            "binary_version": "1.8.0-1",
            "binary_name": "libpkgconf3"
        },
        {
            "binary_version": "1.8.0-1",
            "binary_name": "pkgconf"
        }
    ]
}