Ubuntu Security Notice USN-4903-1

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


curl could be made to expose sensitive information over the

Software Description:
– curl: HTTP, HTTPS, and FTP client and client libraries


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.