Additionally this update includes an enhancement to enable applications
to fully disable DTD processing through the use of an environment
variable (XERCES_DISABLE_DTD).
For the stable distribution (jessie), this problem has been fixed in
version 3.1.1-5.1+deb8u3.
We recommend that you upgrade your xerces-c packages.
Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/
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