CVE-2014-3574
apache-poi: entity expansion (billion laughs) flaw
Severity
ModerateRed Hat Product Security
CVSS 2.0
Review impact separately from score.
Published · August 18, 2014
Updated · January 29, 2026
Description
It was found that Apache POI would expand an unlimited number of entities in OOXML documents. A remote attacker able to supply OOXML documents that are parsed by Apache POI could use this flaw to trigger a denial of service attack via excessive CPU and memory consumption.
Statement
Red Hat Product Security has determined that CVE-2014-3574 is not exploitable by default in JBoss Portal Platform as provided by Red Hat. This flaw would only be exploitable if the Apache POI library provided by JBoss Portal Platform were used by a custom application to process user-supplied XML documents.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 2.0 · 5AV:N/AC:L/Au:N/C:N/I:N/A:P
CWE not specified