Several security issues were fixed in Firebird.
It was discovered that Firebird incorrectly handled certain malformed packets. A remote attacker could possibly use this issue with a specially crafted network packet to cause Firebird to crash, resulting in a denial of service. (CVE-2014-9323)
2 April 2019
A security issue affects these releases of Ubuntu and its derivatives:
Several security issues were fixed in Firebird.
It was discovered that Firebird incorrectly handled certain malformed packets. A remote attacker could possibly use this issue with a specially crafted network packet to cause Firebird to crash, resulting in a denial of service. (CVE-2014-9323)
It was discovered that Firebird incorrectly handled certain UDF libraries. A remote attacker could possibly use this issue to execute arbitrary code. (CVE-2017-6369)
The problem can be corrected by updating your system to the following package versions:
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.