CVE-2011-1757: Brad Fitzpatrick Djabberd

Medium severity, CVSS 5.0. EPSS: 1.1% chance of exploitation in the next 30 days.

DJabberd 0.84 and earlier does not properly detect recursion during entity expansion, which allows remote attackers to cause a denial of service (memory and CPU consumption) via a crafted XML document containing a large number of nested entity references, a similar issue to CVE-2003-1564.

Affected products

• Brad Fitzpatrick Djabberd: up to and including 0.84; version 0.80 only; version 0.81 only; version 0.82 only; version 0.83 only

Published 2011-06-21. Last modified 2026-06-16.