Critical severity · published Jan 16, 2019
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…
9.8
CVSS
2.1%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.1% · higher than 81% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
8.0; 9.0 · source: NVD
UR
Uriparser · Uriparser Project
before 0.9.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-20721
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-20721
Release Notes
https://github.com/uriparser/uriparser/blob/master/ChangeLog
Patch
https://github.com/uriparser/uriparser/commit/cef25028de5ff872c2e1f0a6c562eb3ea9ecbce4
Mailing List
https://lists.debian.org/debian-lts-announce/2019/02/msg00028.html
Mailing List
https://lists.debian.org/debian-lts-announce/2021/11/msg00029.html
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