USN-3554-2: curl vulnerability

Ubuntu Security Notice USN-3554-2

31st January, 2018

curl vulnerability

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

  • Ubuntu 12.04 LTS


curl could be made to expose sensitive information.

Software description

  • curl - HTTP, HTTPS, and FTP client and client libraries


USN-3554-1 fixed vulnerabilities in curl. This update
provides the corresponding update for Ubuntu 12.04 ESM.

Original advisory details:

It was discovered that curl could accidentally leak authentication data.
An attacker could possibly use this to get access to sensitive information.

Update instructions

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

Ubuntu 12.04 LTS:
libcurl3-nss 7.22.0-3ubuntu4.20
curl 7.22.0-3ubuntu4.20
libcurl3-gnutls 7.22.0-3ubuntu4.20
libcurl3 7.22.0-3ubuntu4.20

To update your system, please follow these instructions:

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