UBUNTU-CVE-2018-20721

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Source
https://ubuntu.com/security/CVE-2018-20721
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-20721.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2018-20721
Related
Published
2019-01-16T14:29:00Z
Modified
2025-05-26T16:40:56Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
  • 9.8 (Critical) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

URI_FUNC() in UriParse.c in uriparser before 0.9.1 has an out-of-bounds read (in uriParseEx functions) for an incomplete URI with an IPv6 address containing an embedded IPv4 address, such as a "//[::44.1" address.

References

Affected packages

Ubuntu:Pro:14.04:LTS / uriparser

Package

Name
uriparser
Purl
pkg:deb/ubuntu/uriparser@0.7.5-1ubuntu2+esm2?arch=source&distro=trusty/esm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.7.5-1ubuntu2+esm2

Affected versions

0.*

0.7.5-1
0.7.5-1ubuntu1
0.7.5-1ubuntu2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "liburiparser-dev",
            "binary_version": "0.7.5-1ubuntu2+esm2"
        },
        {
            "binary_name": "liburiparser1",
            "binary_version": "0.7.5-1ubuntu2+esm2"
        },
        {
            "binary_name": "liburiparser1-dbgsym",
            "binary_version": "0.7.5-1ubuntu2+esm2"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "ubuntu_priority": "medium"
}

Ubuntu:Pro:16.04:LTS / uriparser

Package

Name
uriparser
Purl
pkg:deb/ubuntu/uriparser@0.8.4-1ubuntu0.16.04.1~esm2?arch=source&distro=esm-apps/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.8.4-1ubuntu0.16.04.1~esm2

Affected versions

0.*

0.8.2-1
0.8.3-1
0.8.4-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "liburiparser-dev",
            "binary_version": "0.8.4-1ubuntu0.16.04.1~esm2"
        },
        {
            "binary_name": "liburiparser-doc",
            "binary_version": "0.8.4-1ubuntu0.16.04.1~esm2"
        },
        {
            "binary_name": "liburiparser1",
            "binary_version": "0.8.4-1ubuntu0.16.04.1~esm2"
        },
        {
            "binary_name": "liburiparser1-dbgsym",
            "binary_version": "0.8.4-1ubuntu0.16.04.1~esm2"
        }
    ],
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "ubuntu_priority": "medium"
}

Ubuntu:18.04:LTS / uriparser

Package

Name
uriparser
Purl
pkg:deb/ubuntu/uriparser@0.8.4-1+deb9u2build0.18.04.1?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.8.4-1+deb9u2build0.18.04.1

Affected versions

0.*

0.8.4-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "liburiparser-dev",
            "binary_version": "0.8.4-1+deb9u2build0.18.04.1"
        },
        {
            "binary_name": "liburiparser-doc",
            "binary_version": "0.8.4-1+deb9u2build0.18.04.1"
        },
        {
            "binary_name": "liburiparser1",
            "binary_version": "0.8.4-1+deb9u2build0.18.04.1"
        },
        {
            "binary_name": "liburiparser1-dbgsym",
            "binary_version": "0.8.4-1+deb9u2build0.18.04.1"
        }
    ],
    "availability": "No subscription required",
    "ubuntu_priority": "medium"
}