USN-7000-2

See a problem?
Please try reporting it to the source first.
Source
https://ubuntu.com/security/notices/USN-7000-2
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7000-2.json
JSON Data
https://api.osv.dev/v1/vulns/USN-7000-2
Upstream
Related
Published
2024-09-17T12:19:18.833215Z
Modified
2025-10-13T04:38:32Z
Summary
expat vulnerabilities
Details

USN-7000-1 fixed vulnerabilities in Expat. This update provides the corresponding updates for Ubuntu 22.04 LTS.

Original advisory details:

Shang-Hung Wan discovered that Expat did not properly handle certain function calls when a negative input length was provided. An attacker could use this issue to cause a denial of service or possibly execute arbitrary code. (CVE-2024-45490)

Shang-Hung Wan discovered that Expat did not properly handle the potential for an integer overflow on 32-bit platforms. An attacker could use this issue to cause a denial of service or possibly execute arbitrary code. (CVE-2024-45491, CVE-2024-45492)

References

Affected packages

Ubuntu:22.04:LTS / expat

Package

Name
expat
Purl
pkg:deb/ubuntu/expat@2.4.7-1ubuntu0.4?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.4.7-1ubuntu0.4

Affected versions

2.*

2.4.1-2
2.4.1-3
2.4.2-1
2.4.3-1
2.4.3-2
2.4.4-1
2.4.6-1
2.4.7-1
2.4.7-1ubuntu0.1
2.4.7-1ubuntu0.2
2.4.7-1ubuntu0.3

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "expat",
            "binary_version": "2.4.7-1ubuntu0.4"
        },
        {
            "binary_name": "libexpat1",
            "binary_version": "2.4.7-1ubuntu0.4"
        },
        {
            "binary_name": "libexpat1-dev",
            "binary_version": "2.4.7-1ubuntu0.4"
        }
    ]
}

Database specific

cves_map

{
    "cves": [
        {
            "severity": [
                {
                    "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:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2024-45490"
        },
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
                    "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": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2024-45491"
        },
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
                    "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": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2024-45492"
        }
    ],
    "ecosystem": "Ubuntu:22.04:LTS"
}