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
Related
Published
2023-02-28T15:19:01.556097Z
Modified
2025-07-16T08:55:57.258621Z
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@2.1.0-4ubuntu1.4+esm7?arch=source&distro=trusty/esm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown 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+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": "expat-dbgsym",
            "binary_version": "2.1.0-4ubuntu1.4+esm7"
        },
        {
            "binary_name": "lib64expat1",
            "binary_version": "2.1.0-4ubuntu1.4+esm7"
        },
        {
            "binary_name": "lib64expat1-dbgsym",
            "binary_version": "2.1.0-4ubuntu1.4+esm7"
        },
        {
            "binary_name": "lib64expat1-dev",
            "binary_version": "2.1.0-4ubuntu1.4+esm7"
        },
        {
            "binary_name": "libexpat1",
            "binary_version": "2.1.0-4ubuntu1.4+esm7"
        },
        {
            "binary_name": "libexpat1-dbgsym",
            "binary_version": "2.1.0-4ubuntu1.4+esm7"
        },
        {
            "binary_name": "libexpat1-dev",
            "binary_version": "2.1.0-4ubuntu1.4+esm7"
        },
        {
            "binary_name": "libexpat1-udeb",
            "binary_version": "2.1.0-4ubuntu1.4+esm7"
        },
        {
            "binary_name": "libexpat1-udeb-dbgsym",
            "binary_version": "2.1.0-4ubuntu1.4+esm7"
        }
    ]
}