The following updates has been released for Ubuntu Linux:

USN-3457-1: curl vulnerability
USN-3459-1: MySQL vulnerabilities

USN-3457-1: curl vulnerability

==========================================================================
Ubuntu Security Notice USN-3457-1
October 23, 2017

curl vulnerability
==========================================================================

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

- Ubuntu 17.10
- Ubuntu 17.04
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS

Summary:

curl could be made to crash or run programs if it received specially
crafted network traffic.

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

Details:

Brian Carpenter discovered that curl incorrectly handled IMAP FETCH
response lines. A remote attacker could use this issue to cause curl to
crash, resulting in a denial of service, or possibly execute arbitrary
code.

Update instructions:

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

Ubuntu 17.10:
curl 7.55.1-1ubuntu2.1
libcurl3 7.55.1-1ubuntu2.1
libcurl3-gnutls 7.55.1-1ubuntu2.1
libcurl3-nss 7.55.1-1ubuntu2.1

Ubuntu 17.04:
curl 7.52.1-4ubuntu1.3
libcurl3 7.52.1-4ubuntu1.3
libcurl3-gnutls 7.52.1-4ubuntu1.3
libcurl3-nss 7.52.1-4ubuntu1.3

Ubuntu 16.04 LTS:
curl 7.47.0-1ubuntu2.4
libcurl3 7.47.0-1ubuntu2.4
libcurl3-gnutls 7.47.0-1ubuntu2.4
libcurl3-nss 7.47.0-1ubuntu2.4

Ubuntu 14.04 LTS:
curl 7.35.0-1ubuntu2.12
libcurl3 7.35.0-1ubuntu2.12
libcurl3-gnutls 7.35.0-1ubuntu2.12
libcurl3-nss 7.35.0-1ubuntu2.12

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

References:
https://www.ubuntu.com/usn/usn-3457-1
CVE-2017-1000257

Package Information:
https://launchpad.net/ubuntu/+source/curl/7.55.1-1ubuntu2.1
https://launchpad.net/ubuntu/+source/curl/7.52.1-4ubuntu1.3
https://launchpad.net/ubuntu/+source/curl/7.47.0-1ubuntu2.4
https://launchpad.net/ubuntu/+source/curl/7.35.0-1ubuntu2.12

USN-3459-1: MySQL vulnerabilities

==========================================================================
Ubuntu Security Notice USN-3459-1
October 23, 2017

mysql-5.5, mysql-5.7 vulnerabilities
==========================================================================

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

- Ubuntu 17.10
- Ubuntu 17.04
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS

Summary:

Several security issues were fixed in MySQL.

Software Description:
- mysql-5.7: MySQL database
- mysql-5.5: MySQL database

Details:

Multiple security issues were discovered in MySQL and this update includes
new upstream MySQL versions to fix these issues.

MySQL has been updated to 5.5.58 in Ubuntu 14.04 LTS. Ubuntu 16.04 LTS,
Ubuntu 17.04 and Ubuntu 17.10 have been updated to MySQL 5.7.20.

In addition to security fixes, the updated packages contain bug fixes,
new features, and possibly incompatible changes.

Please see the following for more information:
http://dev.mysql.com/doc/relnotes/mysql/5.5/en/news-5-5-58.html
http://dev.mysql.com/doc/relnotes/mysql/5.7/en/news-5-7-20.html
http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html

Update instructions:

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

Ubuntu 17.10:
mysql-server-5.7 5.7.20-0ubuntu0.17.10.1

Ubuntu 17.04:
mysql-server-5.7 5.7.20-0ubuntu0.17.04.1

Ubuntu 16.04 LTS:
mysql-server-5.7 5.7.20-0ubuntu0.16.04.1

Ubuntu 14.04 LTS:
mysql-server-5.5 5.5.58-0ubuntu0.14.04.1

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

References:
https://www.ubuntu.com/usn/usn-3459-1
CVE-2017-10155, CVE-2017-10165, CVE-2017-10167, CVE-2017-10227,
CVE-2017-10268, CVE-2017-10276, CVE-2017-10283, CVE-2017-10286,
CVE-2017-10294, CVE-2017-10311, CVE-2017-10313, CVE-2017-10314,
CVE-2017-10320, CVE-2017-10378, CVE-2017-10379, CVE-2017-10384

Package Information:
https://launchpad.net/ubuntu/+source/mysql-5.7/5.7.20-0ubuntu0.17.10.1
https://launchpad.net/ubuntu/+source/mysql-5.7/5.7.20-0ubuntu0.17.04.1
https://launchpad.net/ubuntu/+source/mysql-5.7/5.7.20-0ubuntu0.16.04.1
https://launchpad.net/ubuntu/+source/mysql-5.5/5.5.58-0ubuntu0.14.04.1