CVE-2019-10093 Allocation of Resources Without Limits or Throttling in Apache Tika
Attackers can cause application hangs by submitting crafted files that exhaust SAXParser pools in Apache Tika.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2019-10093?
CVE-2019-10093 is a medium-severity denial of service vulnerability in Apache Tika, published on 2 Aug 2019. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
In Apache Tika 1.19 to 1.21, a carefully crafted 2003ml or 2006ml file could consume all available SAXParsers in the pool and lead to very long hangs. Apache Tika users should upgrade to 1.22 or later.
Weakness: CWE-770
Which versions are affected by CVE-2019-10093?
2 open source packages ship an affected version, including org.apache.tika:tika-parsers. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
org.apache.tika:tika-parsers Maven | From 1.19 | 1.22 |
org.apache.tika:tika-parsers Maven | From 1.19 | 1.22 |
Products include Apache Tika.
How do I fix CVE-2019-10093?
Upgrade org.apache.tika:tika-parsers 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-2019-10093 being exploited?
There is no known exploitation of CVE-2019-10093 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
- CVE-2025-66516 Apache Tika has XXE vulnerability
- CVE-2025-54988 Apache Tika PDF parser module: XXE vulnerability in PDFParser's handling of XFA
- CVE-2018-1335 Command injection in org.apache.tika:tika-core
- CVE-2019-10094 Allocation of Resources Without Limits or Throttling in Apache Tika
Sources
Also known as DEBIAN-CVE-2019-10093, GHSA-4mq5-mj59-qq9c.