USN-5256-1 fixed several vulnerabilities in uriparser. This update provides the corresponding update for Ubuntu 14.04 ESM, Ubuntu 16.04 ESM and Ubuntu 20.04 ESM.
Original advisory details:
It was discovered that uriparser incorrectly handled certain memory operations. An attacker could use this to cause a denial of service. (CVE-2021-46141, CVE-2021-46142)