USN-4784-1

It was discovered that Xerces-C++ XML Parser mishandles certain kinds of external DTD references, resulting in a user-after-free. An attacker could use this vulnerability to cause a denial of service (crash) or possibly execute arbitrary code. This issue affected only Ubuntu 16.04 ESM. (CVE-2016-2099)

It was discovered that Xerces-C++ XML Parser fails to successfully parse a DTD that is too deeply nested. An unauthenticated attacker could use this vulnerability to cause a denial of service. This issue affected only Ubuntu 16.04 ESM. (CVE-2016-4463)

It was discovered that Xerces-C++ mishandles certain kinds of external DTD references, resulting in dereference of a NULL pointer. An attacker could use this vulnerability to cause a denial of service. (CVE-2017-12627)

References

Affected packages

Ubuntu:Pro:16.04:LTS / xerces-c

Package

Name: xerces-c
Purl: pkg:deb/ubuntu/xerces-c@3.1.3+debian-1ubuntu0.1~esm1?arch=source&distro=esm-apps/xenial

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

3.1.3+debian-1ubuntu0.1~esm1

Affected versions

3.*

3.1.1-5.1

3.1.2+debian-1

3.1.3+debian-1

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "3.1.3+debian-1ubuntu0.1~esm1",
            "binary_name": "libxerces-c-dev"
        },
        {
            "binary_version": "3.1.3+debian-1ubuntu0.1~esm1",
            "binary_name": "libxerces-c-samples"
        },
        {
            "binary_version": "3.1.3+debian-1ubuntu0.1~esm1",
            "binary_name": "libxerces-c3.1"
        }
    ],
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}

Database specific

{
    "cves_map": {
        "cves": [
            {
                "severity": [
                    {
                        "score": "CVSS:3.0/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-2016-2099"
            },
            {
                "severity": [
                    {
                        "score": "CVSS:3.0/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-2016-4463"
            },
            {
                "severity": [
                    {
                        "score": "CVSS:3.0/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-2017-12627"
            }
        ],
        "ecosystem": "Ubuntu:Pro:16.04:LTS"
    }
}

Ubuntu:Pro:18.04:LTS / xerces-c

Package

Name: xerces-c
Purl: pkg:deb/ubuntu/xerces-c@3.2.0+debian-2ubuntu0.1~esm1?arch=source&distro=esm-apps/bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

3.2.0+debian-2ubuntu0.1~esm1

Affected versions

3.*

3.1.4+debian-2

3.1.4+debian-2build1

3.2.0+debian-2

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "3.2.0+debian-2ubuntu0.1~esm1",
            "binary_name": "libxerces-c-dev"
        },
        {
            "binary_version": "3.2.0+debian-2ubuntu0.1~esm1",
            "binary_name": "libxerces-c-samples"
        },
        {
            "binary_version": "3.2.0+debian-2ubuntu0.1~esm1",
            "binary_name": "libxerces-c3.2"
        }
    ],
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}

Database specific

{
    "cves_map": {
        "cves": [
            {
                "severity": [
                    {
                        "score": "CVSS:3.0/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-2017-12627"
            }
        ],
        "ecosystem": "Ubuntu:Pro:18.04:LTS"
    }
}