What’s Vulnerable › Vulnerabilities

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

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-05-16 · updated 2026-06-17

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

Affected products

• Apache Software Foundation Apache Tika: before 1.28.3; from 2.0.0 before 2.4.0 — fixed in 1.28.3, 2.4.0
• Oracle Corporation Primavera Unifier: from 17.7 through 17.12; 18.8, 19.12, 20.12, 21.12

How to fix

Upgrade to a fixed version: Apache Software Foundation Apache Tika 1.28.3, 2.4.0. Check the vendor advisory for mitigations.

References

• http://www.openwall.com/lists/oss-security/2022/05/16/3
• http://www.openwall.com/lists/oss-security/2022/05/31/2
• http://www.openwall.com/lists/oss-security/2022/06/27/5
• https://lists.apache.org/thread/dh3syg68nxogbmlg13srd6gjn3h2z6r4
• https://security.netapp.com/advisory/ntap-20220624-0004/
• https://www.oracle.com/security-alerts/cpujul2022.html
• http://www.openwall.com/lists/oss-security/2022/05/16/3
• http://www.openwall.com/lists/oss-security/2022/05/31/2
• http://www.openwall.com/lists/oss-security/2022/06/27/5
• https://lists.apache.org/thread/dh3syg68nxogbmlg13srd6gjn3h2z6r4
• https://security.netapp.com/advisory/ntap-20220624-0004/
• https://www.oracle.com/security-alerts/cpujul2022.html

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