USN-5638-4

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Source
https://ubuntu.com/security/notices/USN-5638-4
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5638-4.json
JSON Data
https://api.test.osv.dev/v1/vulns/USN-5638-4
Upstream
CVE (2)
Related
UBUNTU (2)
Published
2023-02-28T15:19:01Z
Modified
2026-06-29T13:49:25Z
Summary
expat vulnerabilities
Details

USN-5638-1 fixed several vulnerabilities in Expat. This update provides the corresponding update for Ubuntu 14.04 ESM.

Original advisory details:

Rhodri James discovered that Expat incorrectly handled memory when processing certain malformed XML files. An attacker could possibly use this issue to cause a crash or execute arbitrary code.

References

Affected packages

Ubuntu:Pro:14.04:LTS / expat

Package

Name
expat
Purl
pkg:deb/ubuntu/expat?arch=source&distro=trusty%2Fesm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.1.0-4ubuntu1.4+esm7

Affected versions

2.*
2.1.0-4
2.1.0-4ubuntu1
2.1.0-4ubuntu1.1
2.1.0-4ubuntu1.2
2.1.0-4ubuntu1.3
2.1.0-4ubuntu1.4
2.1.0-4ubuntu1.4+esm1
2.1.0-4ubuntu1.4+esm2
2.1.0-4ubuntu1.4+esm4
2.1.0-4ubuntu1.4+esm6

Ecosystem specific 

{
    "availability":  "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "binaries":  [
        {
            "binary_name":  "expat",
            "binary_version":  "2.1.0-4ubuntu1.4+esm7"
        },
        {
            "binary_name":  "lib64expat1",
            "binary_version":  "2.1.0-4ubuntu1.4+esm7"
        },
        {
            "binary_name":  "libexpat1",
            "binary_version":  "2.1.0-4ubuntu1.4+esm7"
        }
    ]
}

Database specific

cves_map 
{
    "cves":  [
        {
            "id":  "CVE-2022-40674",
            "severity":  [
                {
                    "score":  "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
                    "type":  "CVSS_V3"
                },
                {
                    "score":  "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
                    "type":  "CVSS_V3"
                },
                {
                    "score":  "medium",
                    "type":  "Ubuntu"
                }
            ]
        },
        {
            "id":  "CVE-2022-43680",
            "severity":  [
                {
                    "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":  "CVSS_V3"
                },
                {
                    "score":  "medium",
                    "type":  "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem":  "Ubuntu:Pro:14.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5638-4.json"