CVE-2018-20721

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

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

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Jan 16, 2019
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2018

CVE-2018-207234.8A cross-site scripting (XSS) vulnerability exists in color_templates.php in Cacti before 1.2.0 due to lack of escaping of unintended charactCVE-2018-207244.8A cross-site scripting (XSS) vulnerability exists in pollers.php in Cacti before 1.2.0 due to lack of escaping of unintended characters in tCVE-2018-207254.8A cross-site scripting (XSS) vulnerability exists in graph_templates.php in Cacti before 1.2.0 due to lack of escaping of unintended charactCVE-2018-207265.4A cross-site scripting (XSS) vulnerability exists in host.php (via tree.php) in Cacti before 1.2.0 due to lack of escaping of unintended chaCVE-2018-207278.8Multiple command injection vulnerabilities in NeDi before 1.7Cp3 allow authenticated users to execute code on the server side via the flt paCVE-2018-207288.8A cross site request forgery (CSRF) vulnerability in NeDi before 1.7Cp3 allows remote attackers to escalate privileges via User-Management.pCVE-2018-207296.1A reflected cross site scripting (XSS) vulnerability in NeDi before 1.7Cp3 allows remote attackers to inject arbitrary web script or HTML viCVE-2018-207307.5A SQL injection vulnerability in NeDi before 1.7Cp3 allows any user to execute arbitrary SQL read commands via the query.php component.CVE-2018-207316.1A stored cross site scripting (XSS) vulnerability in NeDi before 1.7Cp3 allows remote attackers to inject arbitrary web script or HTML via UCVE-2018-207329.8SAS Web Infrastructure Platform before 9.4M6 allows remote attackers to execute arbitrary code via a Java deserialization variant.CVE-2018-207337.5BI Web Services in SAS Web Infrastructure Platform before 9.4M6 allows XXE.CVE-2018-207357.8An issue was discovered in BMC PATROL Agent through 11.3.01. It was found that the PatrolCli application can allow for lateral movement and
CVE-2018-20721: Critical severity, CVSS 9.8 | Vulnix