Debian LTS: DLA-2129-1: firebird2.5 security update
Summary
For Debian 8 "Jessie", this problem has been fixed in version
2.5.3.26778.ds4-5+deb8u2.
We recommend that you upgrade your firebird2.5 packages.
Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS