What is CVE-2022-33879?

CVE-2022-33879 is a low-severity vulnerability in Apache Tika. CVSS score: 3.3/10. Published 2022-06-27.

How severe is CVE-2022-33879?

Low severity. CVSS v3 base score is 3.3 out of 10.

Vulnerability in Apache Tika

CVE-2022-33879

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.

Published 2022-06-27 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L.

EPSS exploit prediction

EPSS: 0.020 (79.8th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 79.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.019 · newest: 0.020 · change: +0.001

Affected products

Apache Tika
Apache Software Foundation Tika — versions Apache Tika

References

lists.apache.org/thread/wfno8mf5nlcvbs78z93q9thgrm30wwfh (Mailing List, Third Party Advisory)
www.openwall.com/lists/oss-security/2022/06/27/5 (mailing-list, Mailing List, Third Party Advisory)
security.netapp.com/advisory/ntap-20220812-0004/ (Third Party Advisory)

Frequently asked questions

What is CVE-2022-33879?: CVE-2022-33879 is a low-severity vulnerability in Apache Tika. CVSS score: 3.3/10. Published 2022-06-27.
How severe is CVE-2022-33879?: Low severity. CVSS v3 base score is 3.3 out of 10.