The following updates has been released for Ubuntu Linux:

USN-3788-2: Tex Live-bin vulnerability
USN-3799-1: MySQL vulnerabilities

USN-3788-2: Tex Live-bin vulnerability

==========================================================================
Ubuntu Security Notice USN-3788-2
October 23, 2018

texlive-bin vulnerability
==========================================================================

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

- Ubuntu 18.10

Summary:

Several security issues were fixed in Tex Live.

Software Description:
- texlive-bin: TeX Live: path search library for TeX (development part)

Details:

USN-3788-1 fixed vulnerabilities in Tex Live. This update provides
the corresponding update for Ubuntu 18.10

Original advisory details:

 It was discovered that Tex Live incorrectly handled certain files.
 An attacker could possibly use this issue to execute arbitrary code.
 (CVE-2018-17407)

Update instructions:

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

Ubuntu 18.10:
  texlive-binaries 2018.20180824.48463-1ubuntu0.1

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

References:
  https://usn.ubuntu.com/usn/usn-3788-2
  https://usn.ubuntu.com/usn/usn-3788-1
  CVE-2018-17407

Package Information:
  https://launchpad.net/ubuntu/+source/texlive-bin/2018.20180824.48463-1ubuntu0.1

USN-3799-1: MySQL vulnerabilities

==========================================================================
Ubuntu Security Notice USN-3799-1
October 23, 2018

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

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

- Ubuntu 18.10
- Ubuntu 18.04 LTS
- 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 5.5.62 in Ubuntu 14.04 LTS. Ubuntu 16.04 LTS,
Ubuntu 18.04 LTS, and Ubuntu 18.10 have been updated to MySQL 5.7.24.

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-5-5-62.html
http://dev.mysql.com/doc/relnotes/mysql/5.7/en/news-5-7-24.html
https://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html

Update instructions:

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

Ubuntu 18.10:
mysql-server-5.7 5.7.24-0ubuntu0.18.10.1

Ubuntu 18.04 LTS:
mysql-server-5.7 5.7.24-0ubuntu0.18.04.1

Ubuntu 16.04 LTS:
mysql-server-5.7 5.7.24-0ubuntu0.16.04.1

Ubuntu 14.04 LTS:
mysql-server-5.5 5.5.62-0ubuntu0.14.04.1

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

References:
https://usn.ubuntu.com/usn/usn-3799-1
CVE-2018-3133, CVE-2018-3143, CVE-2018-3144, CVE-2018-3155,
CVE-2018-3156, CVE-2018-3161, CVE-2018-3162, CVE-2018-3171,
CVE-2018-3173, CVE-2018-3174, CVE-2018-3185, CVE-2018-3187,
CVE-2018-3200, CVE-2018-3247, CVE-2018-3251, CVE-2018-3276,
CVE-2018-3277, CVE-2018-3278, CVE-2018-3282, CVE-2018-3283,
CVE-2018-3284

Package Information:
https://launchpad.net/ubuntu/+source/mysql-5.7/5.7.24-0ubuntu0.18.10.1
https://launchpad.net/ubuntu/+source/mysql-5.7/5.7.24-0ubuntu0.18.04.1
https://launchpad.net/ubuntu/+source/mysql-5.7/5.7.24-0ubuntu0.16.04.1
https://launchpad.net/ubuntu/+source/mysql-5.5/5.5.62-0ubuntu0.14.04.1