USN-4644-1

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Source
https://ubuntu.com/security/notices/USN-4644-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4644-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-4644-1
Upstream
Related
Published
2020-11-27T13:16:04.809028Z
Modified
2025-10-13T04:35:17Z
Summary
igraph vulnerability
Details

It was discovered that igraph mishandled certain malformed XML. An attacker could use this vulnerability to cause a denial of service (crash).

References

Affected packages

Ubuntu:16.04:LTS / igraph

Package

Name
igraph
Purl
pkg:deb/ubuntu/igraph@0.7.1-2.1+deb9u1build0.16.04.1?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.7.1-2.1+deb9u1build0.16.04.1

Affected versions

0.*

0.7.1-2.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libigraph0-dev",
            "binary_version": "0.7.1-2.1+deb9u1build0.16.04.1"
        },
        {
            "binary_name": "libigraph0v5",
            "binary_version": "0.7.1-2.1+deb9u1build0.16.04.1"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:16.04:LTS",
    "cves": [
        {
            "id": "CVE-2018-20349",
            "severity": [
                {
                    "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ]
}

Ubuntu:18.04:LTS / igraph

Package

Name
igraph
Purl
pkg:deb/ubuntu/igraph@0.7.1-2.1+deb9u1build0.18.04.1?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.7.1-2.1+deb9u1build0.18.04.1

Affected versions

0.*

0.7.1-2.1build2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libigraph0-dev",
            "binary_version": "0.7.1-2.1+deb9u1build0.18.04.1"
        },
        {
            "binary_name": "libigraph0v5",
            "binary_version": "0.7.1-2.1+deb9u1build0.18.04.1"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:18.04:LTS",
    "cves": [
        {
            "id": "CVE-2018-20349",
            "severity": [
                {
                    "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ]
}