CVE-2018-11796: Apache Tika

High severity, CVSS 7.5. EPSS: 7.5% chance of exploitation in the next 30 days.

In Apache Tika 1.19 (CVE-2018-11761), we added an entity expansion limit for XML parsing. However, Tika reuses SAXParsers and calls reset() after each parse, which, for Xerces2 parsers, as per the documentation, removes the user-specified SecurityManager and thus removes entity expansion limits after the first parse. Apache Tika versions from 0.1 to 1.19 are therefore still vulnerable to entity expansions which can lead to a denial of service attack. Users should upgrade to 1.19.1 or later.

Affected products

• Apache Tika: from 0.1, up to and including 1.19

Published 2018-10-09. Last modified 2026-06-17.