xml: xerces-j2 hash table collisions CPU usage DoS (oCERT-2011-003)
Published Oct 30, 2017
7.5
HIGHCVSS 3.0
EPSS 17.01%
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.
Affected products
No data.
- ≤ 2.11.0
No data.
Red Hat Enterprise Linux 5
xerces-j2
Affected
Red Hat Enterprise Linux 6
xerces-j2
Affected
Red Hat JBoss Enterprise Web Server 1
xerces-j2
Affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | xerces-j2 | Affected | n/a |
| Red Hat Enterprise Linux 6 | xerces-j2 | Affected | n/a |
| Red Hat JBoss Enterprise Web Server 1 | xerces-j2 | Affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue affects the versions of xerces as shipped with Red Hat Enterprise Linux 6. Red Hat Product Security has rated this issue as having Moderate security impact. A future update may address this issue. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
AV:N/AC:L/Au:N/C:N/I:N/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 17.01% (0.17013) | 96.98th | v5 (v2026.06.15) |
| Jun 15, 2026 | 17.13% (0.17125) | 96.68th | v5 (v2026.06.15) |
| Mar 4, 2026 | 2.10% (0.02102) | 83.78th | v4 (v2025.03.14) |
| Mar 30, 2025 | 0.69% (0.00691) | 69.47th | v4 (v2025.03.14) |
| Mar 29, 2025 | 3.27% (0.03267) | 78.41th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.84% (0.00844) | 73.16th | v4 (v2025.03.14) |
| Dec 17, 2024 | 3.61% (0.03609) | 91.52th | v3 (v2023.03.01) |
| Dec 12, 2024 | 1.35% (0.01349) | 86.72th | v3 (v2023.03.01) |
| Apr 10, 2024 | 0.94% (0.00939) | 82.81th | v3 (v2023.03.01) |
| May 2, 2023 | 0.94% (0.00939) | 80.79th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.67% (0.00669) | 76.60th | v3 (v2023.03.01) |
| Mar 6, 2023 | 3.72% (0.03718) | 85.08th | v2 (v2022.01.01) |
| Apr 1, 2022 | 3.72% (0.03718) | 83.56th | v2 (v2022.01.01) |
| Feb 4, 2022 | 3.72% (0.03718) | 66.71th | v2 (v2022.01.01) |
References (24)
- http://www.openwall.com/lists/oss-security/2014/07/08/11 mailing-listx_refsource_MLISTMailing List
- https://access.redhat.com/security/cve/CVE-2012-0881 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=787104 x_refsource_CONFIRMIssue Tracking
- https://github.com/advisories/GHSA-vmqm-g3vh-847m Advisory
- https://github.com/apache/xerces2-j/commit/992b5d9c24102ad20330d36c0a71162753a37449
- https://issues.apache.org/jira/browse/XERCESJ-1685 x_refsource_CONFIRMIssue TrackingPatchVendor Advisory
- https://lists.apache.org/thread.html/49dc6702104a86ecbb40292dcd329ce9ae4c32b74733199ecab14a73%40%3Cj-users.xerces.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/49dc6702104a86ecbb40292dcd329ce9ae4c32b74733199ecab14a73@%3Cj-users.xerces.apache.org%3E
- https://lists.apache.org/thread.html/519eb0fd45642dcecd9ff74cb3e71c20a4753f7d82e2f07864b5108f%40%3Cdev.drill.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/519eb0fd45642dcecd9ff74cb3e71c20a4753f7d82e2f07864b5108f@%3Cdev.drill.apache.org%3E
- https://lists.apache.org/thread.html/708d94141126eac03011144a971a6411fcac16d9c248d1d535a39451%40%3Csolr-user.lucene.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/708d94141126eac03011144a971a6411fcac16d9c248d1d535a39451@%3Csolr-user.lucene.apache.org%3E
- https://lists.apache.org/thread.html/b0656d359c7d40ec9f39c8cc61bca66802ef9a2a12ee199f5b0c1442%40%3Cdev.drill.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/b0656d359c7d40ec9f39c8cc61bca66802ef9a2a12ee199f5b0c1442@%3Cdev.drill.apache.org%3E
- https://lists.apache.org/thread.html/f9bc3e55f4e28d1dcd1a69aae6d53e609a758e34d2869b4d798e13cc%40%3Cissues.drill.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/f9bc3e55f4e28d1dcd1a69aae6d53e609a758e34d2869b4d798e13cc@%3Cissues.drill.apache.org%3E
- https://lists.apache.org/thread.html/r204ba2a9ea750f38d789d2bb429cc0925ad6133deea7cbc3001d96b5%40%3Csolr-user.lucene.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/r204ba2a9ea750f38d789d2bb429cc0925ad6133deea7cbc3001d96b5@%3Csolr-user.lucene.apache.org%3E
- https://lists.apache.org/thread.html/rea7b831dceeb2a2fa817be6f63b08722042e3647fb2d47c144370a56%40%3Ccommon-issues.hadoop.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/rea7b831dceeb2a2fa817be6f63b08722042e3647fb2d47c144370a56@%3Ccommon-issues.hadoop.apache.org%3E
- https://nvd.nist.gov/vuln/detail/CVE-2012-0881
- https://www.cve.org/CVERecord?id=CVE-2012-0881
- https://www.openwall.com/lists/oss-security/2014/07/08/11
- https://www.oracle.com//security-alerts/cpujul2021.html x_refsource_MISC
Change history (0)
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