Description
Apache Xerces2 Java Parser before 2.12.0 allows remote attackers to cause a denial of service (CPU consumption) via a crafted message to an XML service, which triggers hash table collisions.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | libxerces2-java | No fix yet | — |
| Debian 13 | libxerces2-java | No fix yet | — |
| Debian 12 | libxerces2-java | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | libxerces2-java | No fix yet | — |
| Ubuntu 26.04 LTS | libxerces2-java | No fix yet | — |
| Ubuntu 25.10 | libxerces2-java | No fix yet | — |
| Ubuntu 24.04 LTS | libxerces2-java | No fix yet | — |
| Ubuntu 22.04 LTS | libxerces2-java | No fix yet | — |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | libxerces2-java | No fix yet | — |
| Ubuntu 18.04 LTS | libxerces2-java | No fix yet | — |
| Ubuntu 16.04 LTS | libxerces2-java | No fix yet | — |
| Ubuntu 14.04 LTS | libxerces2-java | No fix yet | — |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | xerces-j2 +2 | 2.11.0-17.amzn2.0.2 | ALAS2-2024-2649 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Maven | xerces:xercesImpl | < 2.12.0 | 2.12.0 | GHSA-vmqm-g3vh-847m |
Advisories 4
- WID-SEC-2026-0180 Dell Data Protection Advisor: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jan 20, 2026
- WID-SEC-2022-1738 IBM InfoSphere Information Server: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 3, 2025
- ALAS2-2024-2649 Moderate: xerces-j2 security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · May 5, 2025
- WID-SEC-2024-0068 IBM Business Automation Workflow: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 11, 2024
References
- [j-users] 20180503 [ANNOUNCEMENT]: Apache Xerces-J 2.12.0 now available mailing-list
- [oss-security] 20140708 Summer bug cleaning - some Hash DoS stuff mailing-list
- [lucene-solr-user] 20190104 Re: SOLR v7 Security Issues Caused Denial of Use - Sonatype Application Composition Report mailing-list
- [drill-dev] 20191017 Dependencies used by Drill contain known vulnerabilities mailing-list
- [drill-dev] 20191021 [jira] [Created] (DRILL-7416) Updates required to dependencies to resolve potential security vulnerabilities mailing-list
- [drill-issues] 20191021 [jira] [Created] (DRILL-7416) Updates required to dependencies to resolve potential security vulnerabilities mailing-list
- [lucene-solr-user] 20200320 CVEs (vulnerabilities) that apply to Solr 8.4.1 mailing-list
- https://issues.apache.org/jira/browse/XERCESJ-1685
- https://bugzilla.redhat.com/show_bug.cgi?id=787104
- https://www.oracle.com//security-alerts/cpujul2021.html
- [hadoop-common-issues] 20210928 [GitHub] [hadoop] warrenzhu25 opened a new pull request #3496: HADOOP-17941. Update xerces to 2.12 mailing-list