CVE-2022-33879: Incomplete fix and new regex DoS in StandardsExtractingContentHandler

Severity: low (CVSS 3.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-06-27 · updated 2026-06-17

Description

The initial fixes in CVE-2022-30126 and CVE-2022-30973 for regexes in the StandardsExtractingContentHandler were insufficient, and we found a separate, new regex DoS in a different regex in the StandardsExtractingContentHandler. These are now fixed in 1.28.4 and 2.4.1.

Affected products

Apache Software Foundation Apache Tika: before 1.28.4; from 2.0.0 before 2.4.1 — fixed in 1.28.4, 2.4.1

How to fix

Upgrade to a fixed version: Apache Software Foundation Apache Tika 1.28.4, 2.4.1. Check the vendor advisory for mitigations.

References

http://www.openwall.com/lists/oss-security/2022/06/27/5
https://lists.apache.org/thread/wfno8mf5nlcvbs78z93q9thgrm30wwfh
https://security.netapp.com/advisory/ntap-20220812-0004/
http://www.openwall.com/lists/oss-security/2022/06/27/5
https://lists.apache.org/thread/wfno8mf5nlcvbs78z93q9thgrm30wwfh
https://security.netapp.com/advisory/ntap-20220812-0004/

Get alerted when CVE-2022-33879 or the next vulnerability affects your stack