USN-5021-1: curl vulnerabilities
Harry Sintonen and Tomas Hoger discovered that curl incorrectly handled
TELNET connections when the -t option was used on the command line.
Uninitialized data possibly containing sensitive information could be sent
to the remote server, contrary to expectations. (CVE-2021-22898,
Harry Sintonen discovered that curl incorrectly reused connections in the
connection pool. This could result in curl reusing the wrong connections.
Source: USN-5021-1: curl vulnerabilities