CVE-2018-20721

Source
https://cve.org/CVERecord?id=CVE-2018-20721
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2018-20721.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2018-20721
Downstream
Related
Published
2019-01-16T14:29:00.247Z
Modified
2026-05-18T12:01:10.984806747Z
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
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.

Database specific
{
    "unresolved_ranges": [
        {
            "cpes": [
                "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
                "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
            ],
            "source": "CPE_FIELD",
            "vendor_product": "debian:debian_linux",
            "extracted_events": [
                {
                    "last_affected": "8.0"
                },
                {
                    "last_affected": "9.0"
                }
            ]
        }
    ]
}
References

Affected packages

Git / github.com/uriparser/uriparser

Affected ranges

Type
GIT
Repo
https://github.com/uriparser/uriparser
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
Fixed
Database specific
{
    "source": [
        "CPE_FIELD",
        "REFERENCES"
    ],
    "cpe": "cpe:2.3:a:uriparser_project:uriparser:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "0.9.1"
        }
    ]
}

Affected versions

uriparser-0.*
uriparser-0.3.0
uriparser-0.3.1
uriparser-0.3.2
uriparser-0.3.3
uriparser-0.3.4
uriparser-0.4.0
uriparser-0.5.0
uriparser-0.5.1
uriparser-0.5.2
uriparser-0.6.0
uriparser-0.6.1
uriparser-0.6.2
uriparser-0.6.3
uriparser-0.6.4
uriparser-0.7.0
uriparser-0.7.1
uriparser-0.7.2
uriparser-0.7.3
uriparser-0.7.4
uriparser-0.7.5
uriparser-0.7.6
uriparser-0.7.7
uriparser-0.7.8
uriparser-0.7.9
uriparser-0.8.0
uriparser-0.8.0.1
uriparser-0.8.1
uriparser-0.8.2
uriparser-0.8.3
uriparser-0.8.4
uriparser-0.8.5
uriparser-0.8.6
uriparser-0.9.0

Database specific

source
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2018-20721.json"