Debian Security Advisory

DLA-2696-1 libjdom2-java -- LTS security update

Date Reported:
29 Jun 2021
Affected Packages:
Security database references:
In Mitre's CVE dictionary: CVE-2021-33813.
More information:

It was discovered that there was an XML External Entity (XXE) issue in libjdom2-java, a library for reading and manipulating XML documents. Attackers could have caused a denial of service attack via a specially-crafted HTTP request.

  • CVE-2021-33813

    An XXE issue in SAXBuilder in JDOM through 2.0.6 allows attackers to cause a denial of service via a crafted HTTP request.

For Debian 9 Stretch, these problems have been fixed in version 2.0.6-1+deb9u1.

We recommend that you upgrade your libjdom2-java packages.

Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: