USN-7001-2

Shang-Hung Wan discovered that Expat, contained within the xmltok library, 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, contained within the xmltok library, 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)

References

Affected packages

Ubuntu:Pro:24.04:LTS / libxmltok

Package

Name: libxmltok
Purl: pkg:deb/ubuntu/libxmltok@1.2-4.1ubuntu2.24.0.4.1+esm1?arch=source&distro=esm-apps/noble

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1.2-4.1ubuntu2.24.0.4.1+esm1

Affected versions

1.*

1.2-4ubuntu1

1.2-4.1ubuntu1

1.2-4.1ubuntu2

Ecosystem specific

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "libxmltok1-dev",
            "binary_version": "1.2-4.1ubuntu2.24.0.4.1+esm1"
        },
        {
            "binary_name": "libxmltok1t64",
            "binary_version": "1.2-4.1ubuntu2.24.0.4.1+esm1"
        }
    ]
}

Database specific

cves_map

{
    "cves": [
        {
            "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:N/I:N/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ],
            "id": "CVE-2024-45490"
        },
        {
            "severity": [
                {
                    "type": "CVSS_V3",
                    "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": "Ubuntu",
                    "score": "medium"
                }
            ],
            "id": "CVE-2024-45491"
        }
    ],
    "ecosystem": "Ubuntu:Pro:24.04:LTS"
}