VDB
CVE-2018-20721
CVE-2018-20721
PUBLISHED
CVSS 9.800000190734863 CRITICAL
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.
EPSS 2.05% · 80.5th percentile
Risk Scores
CVSS 3.1
9.800000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score
2.05%
80.5th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:Pro:14.04:LTS | uriparser | 0.7.5-1ubuntu1, 0.7.5-1ubuntu2, 0.7.5-1ubuntu2+esm1 |
| Ubuntu:18.04:LTS | uriparser | 0, 0.8.4-1 |
| Ubuntu:Pro:16.04:LTS | uriparser | 0, 0.8.2-1, 0.8.3-1 |
Timeline
- Jan 16, 2019 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 25, 2021 EPSS Score
- Oct 27, 2021 EPSS Score
- Mar 2, 2022 EPSS Score
- May 4, 2022 EPSS Score
- Jul 6, 2022 EPSS Score
- Sep 8, 2022 EPSS Score
- Nov 10, 2022 EPSS Score
- Jan 12, 2023 EPSS Score
- Mar 7, 2023 EPSS Score
References
- https://ubuntu.com/security/CVE-2018-20721 third-party-advisory
- https://github.com/uriparser/uriparser/commit/cef25028de5ff872c2e1f0a6c562eb3ea9ecbce4 third-party-advisory
- https://github.com/uriparser/uriparser/blob/master/ChangeLog third-party-advisory
- https://ubuntu.com/security/notices/USN-5172-1 vendor-advisory
- https://www.cve.org/CVERecord?id=CVE-2018-20721 third-party-advisory
- https://ubuntu.com/security/notices/USN-5172-2 vendor-advisory