[USN-5172-1] uriparser vulnerabilities

========================================================================== Ubuntu Security Notice USN-5172-1 December 06, 2021
uriparser vulnerabilities ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 18.04 LTS
Several security issues were fixed in uriparser.
Software Description: – uriparser: Strictly RFC 3986 compliant URI parsing library
It was discovered that uriparser mishandled certain input. An attacker could use this vulnerability to cause uriparser to crash or possibly execute arbitrary code. (CVE-2018-19198, CVE-2018-19199, CVE-2018-19200)
It was discovered that uriparser incorrectly handled certain URIs. An attacker could use this vulnerability to cause a crash or possibly leak sensitive information. (CVE-2018-20721)
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 18.04 LTS: liburiparser1 0.8.4-1+deb9u2build0.18.04.1
In general, a standard system update will make all the necessary changes.
References: ubuntu.com/security/notices/USN-5172-1 CVE-2018-19198, CVE-2018-19199, CVE-2018-19200, CVE-2018-20721
Package Information: launchpad.net/ubuntu/+source/uriparser/0.8.4-1+deb9u2build0.18.04.1