CVE-2018-20721

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
mitreCNA
---
---
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 66%
VendorProductVersion
uriparser_projecturiparser
𝑥
< 0.9.1
debiandebian_linux
8.0
debiandebian_linux
9.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
uriparser
bullseye (security)
0.9.4+dfsg-1+deb11u1
fixed
bullseye
0.9.4+dfsg-1+deb11u1
fixed
bookworm
0.9.7+dfsg-2
fixed
sid
0.9.8+dfsg-1
fixed
trixie
0.9.8+dfsg-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
uriparser
jammy
not-affected
impish
not-affected
hirsute
not-affected
groovy
not-affected
focal
not-affected
eoan
not-affected
disco
not-affected
cosmic
not-affected
bionic
Fixed 0.8.4-1+deb9u2build0.18.04.1
released
xenial
Fixed 0.8.4-1ubuntu0.16.04.1~esm2
released
trusty
Fixed 0.7.5-1ubuntu2+esm2
released
Common Weakness Enumeration
References
https://github.com/uriparser/uriparser/blob/master/ChangeLog
https://github.com/uriparser/uriparser/commit/cef25028de5ff872c2e1f0a6c562eb3ea9ecbce4
https://lists.debian.org/debian-lts-announce/2019/02/msg00028.html
https://lists.debian.org/debian-lts-announce/2021/11/msg00029.html
https://github.com/uriparser/uriparser/blob/master/ChangeLog
https://github.com/uriparser/uriparser/commit/cef25028de5ff872c2e1f0a6c562eb3ea9ecbce4
https://lists.debian.org/debian-lts-announce/2019/02/msg00028.html
https://lists.debian.org/debian-lts-announce/2021/11/msg00029.html