High severity7.5NVD Advisory· Published Oct 9, 2018· Updated Jun 17, 2026
CVE-2018-11796
CVE-2018-11796
Description
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.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
org.apache.tika:tika-coreMaven | >= 0.1, < 1.19.1 | 1.19.1 |
Affected products
2Patches
Vulnerability mechanics
References
8- www.securityfocus.com/bid/105585nvdThird Party AdvisoryVDB EntryWEB
- github.com/advisories/GHSA-h8q5-g2cj-qr5hghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2018-11796ghsaADVISORY
- access.redhat.com/errata/RHSA-2019:3892nvdWEB
- lists.apache.org/thread.html/88de8350cda9b184888ec294c813c5bd8a2081de8fd3666f8904bc05@%3Cdev.tika.apache.org%3EghsaWEB
- security.netapp.com/advisory/ntap-20190903-0002ghsaWEB
- lists.apache.org/thread.html/88de8350cda9b184888ec294c813c5bd8a2081de8fd3666f8904bc05%40%3Cdev.tika.apache.org%3Envd
- security.netapp.com/advisory/ntap-20190903-0002/nvd
News mentions
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