UBUNTU-CVE-2018-20349

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Source
https://ubuntu.com/security/CVE-2018-20349
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-20349.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2018-20349
Upstream
Downstream
Related
Published
2018-12-22T00:29:00Z
Modified
2026-02-04T03:04:50.301397Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

The igraphistrdiff function in igraph_trie.c in igraph through 0.7.1 has an NULL pointer dereference that allows attackers to cause a denial of service (application crash) via a crafted object.

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

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-20349.json"

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

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-20349.json"