CVE-2022-30126 Apache Tika Regular Expression Denial of Service in Standards Extractor

What is CVE-2022-30126?

CVE-2022-30126 is a medium-severity denial of service vulnerability in Oracle Primavera Unifier, published on 16 May 2022. 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

In Apache Tika, a regular expression in our StandardsText class, used by the StandardsExtractingContentHandler could lead to a denial of service caused by backtracking on a specially crafted file. This only affects users who are running the StandardsExtractingContentHandler, which is a non-standard handler. This is fixed in 1.28.2 and 2.4.0

Which versions are affected by CVE-2022-30126?

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

Products include Apache Tika, Oracle Primavera Unifier.

How do I fix CVE-2022-30126?

Upgrade org.apache.tika:tika-core to a fixed version for your release line: 1.28.2 or 2.4.0.

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-2022-30126 being exploited?

There is no known exploitation of CVE-2022-30126 in the wild and no public exploit code.

Other vulnerabilities in Oracle Primavera Unifier

• 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-2019-10094 Allocation of Resources Without Limits or Throttling in Apache Tika High 7.8

All Oracle Primavera Unifier vulnerabilities

Sources

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

Also known as DEBIAN-CVE-2022-30126, GHSA-rpjm-422r-95mh, UBUNTU-CVE-2022-30126.