USN-5455-1
- Source
- https://ubuntu.com/security/notices/USN-5455-1
- Import Source
- https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5455-1.json
- JSON Data
- https://api.osv.dev/v1/vulns/USN-5455-1
- Upstream
- Related
- Published
- 2022-07-19T17:11:00.158312Z
- Modified
- 2025-10-13T04:35:57Z
- Summary
- libxmltok vulnerabilities
- Details
-
Tim Boddy, Gustavo Grieco and others discovered that Expat, that is integrated in xmltok library, incorrectly handled certain files. An attacker could possibly use these issues to cause a denial of service, or possibly execute arbitrary code. These issues were only addressed in Ubuntu 16.04 ESM. (CVE-2012-1148, CVE-2015-1283, CVE-2016-0718, CVE-2016-4472, CVE-2018-20843, CVE-2019-15903, CVE-2021-46143, CVE-2022-22822, CVE-2022-22823, CVE-2022-22824, CVE-2022-22825, CVE-2022-22826, CVE-2022-22827)
It was discovered that Expat, that is integrated in xmltok library, incorrectly handled encoding validation of certain files. An attacker could possibly use this issue to cause a denial of service, or possibly execute arbitrary code. (CVE-2022-25235)
It was discovered that Expat, that is integrated in xmltok library, incorrectly handled namespace URIs of certain files. An attacker could possibly use this issue to cause a denial of service, or possibly execute arbitrary code. (CVE-2022-25236)
- References
-
- https://ubuntu.com/security/notices/USN-5455-1
- https://ubuntu.com/security/CVE-2012-1148
- https://ubuntu.com/security/CVE-2015-1283
- https://ubuntu.com/security/CVE-2016-0718
- https://ubuntu.com/security/CVE-2016-4472
- https://ubuntu.com/security/CVE-2018-20843
- https://ubuntu.com/security/CVE-2019-15903
- https://ubuntu.com/security/CVE-2021-46143
- https://ubuntu.com/security/CVE-2022-22822
- https://ubuntu.com/security/CVE-2022-22823
- https://ubuntu.com/security/CVE-2022-22824
- https://ubuntu.com/security/CVE-2022-22825
- https://ubuntu.com/security/CVE-2022-22826
- https://ubuntu.com/security/CVE-2022-22827
- https://ubuntu.com/security/CVE-2022-25235
- https://ubuntu.com/security/CVE-2022-25236
Affected packages
Ubuntu:Pro:16.04:LTS / libxmltok
Package
- Name
- libxmltok
- Purl
- pkg:deb/ubuntu/libxmltok@1.2-3ubuntu0.16.04.1~esm2?arch=source&distro=esm-apps/xenial
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0Unknown introduced version / All previous versions are affectedFixed1.2-3ubuntu0.16.04.1~esm2
Ecosystem specific
{
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "libxmltok1",
"binary_version": "1.2-3ubuntu0.16.04.1~esm2"
},
{
"binary_name": "libxmltok1-dev",
"binary_version": "1.2-3ubuntu0.16.04.1~esm2"
}
]
}
Database specific
cves_map
{
"cves": [
{
"id": "CVE-2012-1148",
"severity": [
{
"type": "Ubuntu",
"score": "low"
}
]
},
{
"id": "CVE-2015-1283",
"severity": [
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2016-0718",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2016-4472",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2018-20843",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "low"
}
]
},
{
"id": "CVE-2019-15903",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2022-22822",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2022-22823",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2022-22824",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2022-22825",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2022-22826",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2022-22827",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2022-25235",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "high"
}
]
},
{
"id": "CVE-2022-25236",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "high"
}
]
}
],
"ecosystem": "Ubuntu:Pro:16.04:LTS"
}
Ubuntu:Pro:18.04:LTS / libxmltok
Package
- Name
- libxmltok
- Purl
- pkg:deb/ubuntu/libxmltok@1.2-4ubuntu0.18.04.1~esm1?arch=source&distro=esm-apps/bionic
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0Unknown introduced version / All previous versions are affectedFixed1.2-4ubuntu0.18.04.1~esm1
Ecosystem specific
{
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "libxmltok1",
"binary_version": "1.2-4ubuntu0.18.04.1~esm1"
},
{
"binary_name": "libxmltok1-dev",
"binary_version": "1.2-4ubuntu0.18.04.1~esm1"
}
]
}
Database specific
cves_map
{
"cves": [
{
"id": "CVE-2022-25235",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "high"
}
]
},
{
"id": "CVE-2022-25236",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "high"
}
]
}
],
"ecosystem": "Ubuntu:Pro:18.04:LTS"
}
Ubuntu:Pro:20.04:LTS / libxmltok
Package
- Name
- libxmltok
- Purl
- pkg:deb/ubuntu/libxmltok@1.2-4ubuntu0.20.04.1~esm1?arch=source&distro=esm-apps/focal
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0Unknown introduced version / All previous versions are affectedFixed1.2-4ubuntu0.20.04.1~esm1
Ecosystem specific
{
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "libxmltok1",
"binary_version": "1.2-4ubuntu0.20.04.1~esm1"
},
{
"binary_name": "libxmltok1-dev",
"binary_version": "1.2-4ubuntu0.20.04.1~esm1"
}
]
}
Database specific
cves_map
{
"cves": [
{
"id": "CVE-2022-25235",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "high"
}
]
},
{
"id": "CVE-2022-25236",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "high"
}
]
}
],
"ecosystem": "Ubuntu:Pro:20.04:LTS"
}
Ubuntu:Pro:22.04:LTS / libxmltok
Package
- Name
- libxmltok
- Purl
- pkg:deb/ubuntu/libxmltok@1.2-4ubuntu0.22.04.1~esm1?arch=source&distro=esm-apps/jammy
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0Unknown introduced version / All previous versions are affectedFixed1.2-4ubuntu0.22.04.1~esm1
Ecosystem specific
{
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "libxmltok1",
"binary_version": "1.2-4ubuntu0.22.04.1~esm1"
},
{
"binary_name": "libxmltok1-dev",
"binary_version": "1.2-4ubuntu0.22.04.1~esm1"
}
]
}
Database specific
cves_map
{
"cves": [
{
"id": "CVE-2022-25235",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "high"
}
]
},
{
"id": "CVE-2022-25236",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "high"
}
]
}
],
"ecosystem": "Ubuntu:Pro:22.04:LTS"
}