CVE-2019-10094 Allocation of Resources Without Limits or Throttling in Apache Tika

What is CVE-2019-10094?

CVE-2019-10094 is a high-severity denial of service vulnerability in Apache Tika, published on 2 Aug 2019. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

A carefully crafted package/compressed file that, when unzipped/uncompressed yields the same file (a quine), causes a StackOverflowError in Apache Tika's RecursiveParserWrapper in versions 1.7-1.21. Apache Tika users should upgrade to 1.22 or later.

Weakness: CWE-770

Which versions are affected by CVE-2019-10094?

2 open source packages ship an affected version, including org.apache.tika:tika-core. It affects 1 product.

Products include Apache Tika.

How do I fix CVE-2019-10094?

Upgrade org.apache.tika:tika-core to 1.22 or later.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2019-10094 being exploited?

There is no known exploitation of CVE-2019-10094 in the wild and no public exploit code.

Other vulnerabilities in Apache Tika

• CVE-2019-10088 Allocation of Resources Without Limits or Throttling in Apache Tika High 8.8
• CVE-2025-66516 Apache Tika has XXE vulnerability High 8.4
• CVE-2025-54988 Apache Tika PDF parser module: XXE vulnerability in PDFParser's handling of XFA High 8.4
• CVE-2018-1335 Command injection in org.apache.tika:tika-core High 8.1
• CVE-2016-4434 Apache Tika does not properly initialize the XML parser or choose handlers High 7.8

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2019-10094, GHSA-mm7m-xg4h-6m52.