Description
A vulnerability in the JsonMapObjectReaderWriter of Apache CXF allows an attacker to submit malformed JSON to a web service, which results in the thread getting stuck in an infinite loop, consuming CPU indefinitely. This issue affects Apache CXF versions prior to 3.4.4; Apache CXF versions prior to 3.3.11.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Apache Software Foundation | Apache CXF | Apache CXF – < 3.4.4 | 3.4.4 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Maven | org.apache.cxf:apache-cxf | >= 3.4.0, < 3.4.4 | 3.4.4 | GHSA-g23v-p5jq-jvh4 |
| Maven | org.apache.cxf:apache-cxf | < 3.3.11 | 3.3.11 | GHSA-g23v-p5jq-jvh4 |
| Maven | org.apache.cxf:cxf | >= 3.4.0, < 3.4.4 | 3.4.4 | GHSA-g23v-p5jq-jvh4 |
| Maven | org.apache.cxf:cxf | < 3.3.11 | 3.3.11 | GHSA-g23v-p5jq-jvh4 |
Advisories 2
- WID-SEC-2025-0227 IBM QRadar SIEM: Mehrere Schwachstellen BSI CERT-Bund (WID) · Aug 11, 2026
- WID-SEC-2025-1459 Dell Data Protection Advisor: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jul 3, 2025
References
- http://cxf.apache.org/security-advisories.data/CVE-2021-30468.txt.asc
- [cxf-users] 20210616 CVE-2021-30468: Apache CXF Denial of service vulnerability in parsing JSON via JsonMapObjectReaderWriter mailing-list
- [cxf-dev] 20210616 CVE-2021-30468: Apache CXF Denial of service vulnerability in parsing JSON via JsonMapObjectReaderWriter mailing-list
- [announce] 20210616 CVE-2021-30468: Apache CXF Denial of service vulnerability in parsing JSON via JsonMapObjectReaderWriter mailing-list
- [oss-security] 20210616 CVE-2021-30468: Apache CXF Denial of service vulnerability in parsing JSON via JsonMapObjectReaderWriter mailing-list
- [tomee-commits] 20210705 [jira] [Created] (TOMEE-3768) TomEE plus is affected by CVE-CVE-2021-30468 vulnerability related to Apache CXF mailing-list
- [tomee-commits] 20210705 [jira] [Updated] (TOMEE-3768) TomEE plus is affected by CVE-CVE-2021-30468 vulnerability related to Apache CXF mailing-list
- [tomee-commits] 20210901 [jira] [Resolved] (TOMEE-3768) TomEE plus is affected by CVE-CVE-2021-30468 vulnerability related to Apache CXF mailing-list
- [tomee-commits] 20210901 [jira] [Commented] (TOMEE-3768) TomEE plus is affected by CVE-CVE-2021-30468 vulnerability related to Apache CXF mailing-list
- [tomee-commits] 20210913 [jira] [Commented] (TOMEE-3768) TomEE plus is affected by CVE-CVE-2021-30468 vulnerability related to Apache CXF mailing-list
- [tomee-commits] 20210913 [jira] [Updated] (TOMEE-3768) TomEE plus is affected by CVE-CVE-2021-30468 vulnerability related to Apache CXF mailing-list
- [tomee-commits] 20210913 [jira] [Reopened] (TOMEE-3768) TomEE plus is affected by CVE-CVE-2021-30468 vulnerability related to Apache CXF mailing-list
- https://www.oracle.com/security-alerts/cpuoct2021.html
- https://security.netapp.com/advisory/ntap-20210917-0002/
- https://www.oracle.com/security-alerts/cpuapr2022.html