[USN-4903-1] curl vulnerability

========================================================================== Ubuntu Security Notice USN-4903-1 April 07, 2021
curl vulnerability ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 14.04 ESM
Summary:
curl could be made to expose sensitive information over the network.
Software Description: – curl: HTTP, HTTPS, and FTP client and client libraries
Details:
Viktor Szakats discovered that curl did not strip off user credentials from referrer header fields. A remote attacker could possibly use this issue to obtain sensitive information.
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 14.04 ESM:   curl                            7.35.0-1ubuntu2.20+esm7   libcurl3                        7.35.0-1ubuntu2.20+esm7   libcurl3-gnutls                 7.35.0-1ubuntu2.20+esm7   libcurl3-nss                    7.35.0-1ubuntu2.20+esm7
In general, a standard system update will make all the necessary changes.
References:   ubuntu.com/security/notices/USN-4903-1   CVE-2021-22876