USN-2882-1: curl vulnerability

Ubuntu Security Notice USN-2882-1

27th January, 2016

A security issue affects these releases of Ubuntu and its
derivatives:

curl would incorrectly re-use credentials.

Isaac Boukris discovered that curl could incorrectly re-use NTLM proxy
credentials when subsequently connecting to the same host.

The problem can be corrected by updating your system to the following
package version:

Ubuntu 15.10:: libcurl3-nss

7.43.0-1ubuntu2.1; libcurl3-gnutls

7.43.0-1ubuntu2.1; libcurl3

7.43.0-1ubuntu2.1
Ubuntu 15.04:: libcurl3-nss

7.38.0-3ubuntu2.3; libcurl3-gnutls

7.38.0-3ubuntu2.3; libcurl3

7.38.0-3ubuntu2.3
Ubuntu 14.04 LTS:: libcurl3-nss

7.35.0-1ubuntu2.6; libcurl3-gnutls

7.35.0-1ubuntu2.6; libcurl3

7.35.0-1ubuntu2.6
Ubuntu 12.04 LTS:: libcurl3-nss

7.22.0-3ubuntu4.15; libcurl3-gnutls

7.22.0-3ubuntu4.15; libcurl3

7.22.0-3ubuntu4.15

To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.

In general, a standard system update will make all the necessary changes.

Source: ubuntu-usn