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.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2012-0881 from the MITRE CVE dictionary dictionary and NIST NVD.
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/.
NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.
| Base Score | 5 |
|---|---|
| Base Metrics | AV:N/AC:L/Au:N/C:N/I:N/A:P |
| Access Vector | Network |
| Access Complexity | Low |
| Authentication | None |
| Confidentiality Impact | None |
| Integrity Impact | None |
| Availability Impact | Partial |
Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).
| Platform | Package | State |
|---|---|---|
| Red Hat Satellite 5.3 | xerces-j2 | Will not fix |
| Red Hat Satellite 5.2 | xerces-j2 | Will not fix |
| Red Hat Satellite 5.1 | xerces-j2 | Will not fix |
| Red Hat Satellite 5.0 | xerces-j2 | Will not fix |
| Red Hat JBoss EWS 1 | xerces-j2 | Will not fix |
| Red Hat Enterprise Linux 6 | xerces-j2 | Will not fix |
| Red Hat Enterprise Linux 5 | xerces-j2 | Will not fix |
| Red Hat Certificate System 7.3 for 4AS | xerces-j2 | Will not fix |
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