CVE-2022-30973 Missing fix for CVE-2022-30126 in 1.28.2
A regular expression backtracking flaw in Apache Tika's StandardsExtractingContentHandler allows attackers to cause denial of service via crafted files.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2022-30973?
CVE-2022-30973 is a medium-severity denial of service vulnerability in Apache Tika, published on 31 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
We failed to apply the fix for CVE-2022-30126 to the 1.x branch in the 1.28.2 release. In Apache Tika, a regular expression in the 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 1.28.3.
Which versions are affected by CVE-2022-30973?
2 open source packages ship an affected version, including org.apache.tika:tika-core. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
org.apache.tika:tika-core Maven | From 1.17 | 1.28.3 |
org.apache.tika:tika-core Maven | From 1.17 | 1.28.3 |
Products include Apache Tika.
How do I fix CVE-2022-30973?
Upgrade org.apache.tika:tika-core to 1.28.3 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-2022-30973 being exploited?
There is no known exploitation of CVE-2022-30973 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 GHSA-qw3f-w4pf-jh5f, UBUNTU-CVE-2022-30973.