CVE-2018-20721

CRITICAL

Uriparser < 0.9.1 - Out-of-Bounds Read

Title source: rule
STIX 2.1

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.

References (4)

Core 4
Core References
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2019/02/msg00028.html
Release Notes, Third Party Advisory x_refsource_confirm
https://github.com/uriparser/uriparser/blob/master/ChangeLog
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2021/11/msg00029.html

Scores

CVSS v3 9.8
EPSS 0.0051
EPSS Percentile 66.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-125
Status published
Products (3)
debian/debian_linux 8.0
debian/debian_linux 9.0
uriparser_project/uriparser < 0.9.1
Published Jan 16, 2019
Tracked Since Feb 18, 2026