xml: xerces-c hash table collisions CPU usage DoS (oCERT-2011-003)
Published Aug 8, 2017
7.5
HIGHCVSS 3.0
EPSS 4.40%
Description
Apache Xerces-C++ allows remote attackers to cause a denial of service (CPU consumption) via a crafted message sent to an XML service that causes hash table collisions.
Affected products
No data.
- n/a
No data.
Red Hat Enterprise Linux 6
xerces-c
Out of support scope
Red Hat Enterprise MRG 1
xerces-c
Fix deferred
Red Hat Enterprise MRG 2
xerces-c
Fix deferred
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | xerces-c | Out of support scope | n/a |
| Red Hat Enterprise MRG 1 | xerces-c | Fix deferred | n/a |
| Red Hat Enterprise MRG 2 | xerces-c | Fix deferred | 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 (20 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 4.40% (0.04403) | 91.02th | v5 (v2026.06.15) |
| Sep 22, 2026 | 4.40% (0.04403) | 90.88th | v5 (v2026.06.15) |
| Sep 21, 2026 | 5.67% (0.05665) | 92.68th | v5 (v2026.06.15) |
| Sep 6, 2026 | 4.40% (0.04403) | 90.68th | v5 (v2026.06.15) |
| Sep 5, 2026 | 5.67% (0.05665) | 92.53th | v5 (v2026.06.15) |
| Aug 30, 2026 | 4.40% (0.04403) | 90.63th | v5 (v2026.06.15) |
| Aug 28, 2026 | 5.67% (0.05665) | 92.48th | v5 (v2026.06.15) |
| Aug 24, 2026 | 4.40% (0.04403) | 90.57th | v5 (v2026.06.15) |
| Aug 23, 2026 | 5.67% (0.05665) | 92.45th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.40% (0.04403) | 90.04th | v5 (v2026.06.15) |
| Mar 30, 2025 | 1.69% (0.01690) | 80.56th | v4 (v2025.03.14) |
| Mar 29, 2025 | 3.86% (0.03860) | 80.07th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.69% (0.01690) | 80.98th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.09% (0.00093) | 41.41th | v3 (v2023.03.01) |
| Jun 18, 2023 | 0.09% (0.00093) | 38.60th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.09% (0.00086) | 34.87th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.05% (0.01055) | 52.13th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.05% (0.01055) | 50.47th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.05% (0.01055) | 48.43th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.05% (0.01055) | 27.52th | v2 (v2022.01.01) |
References (5)
- http://seclists.org/oss-sec/2014/q3/96 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2012-0880 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=787103 x_refsource_CONFIRMIssue TrackingThird Party AdvisoryVDB Entry
- https://nvd.nist.gov/vuln/detail/CVE-2012-0880
- https://www.cve.org/CVERecord?id=CVE-2012-0880
| Link | Providers | Tags |
|---|---|---|
| http://seclists.org/oss-sec/2014/q3/96 | mailing-listx_refsource_MLISTMailing ListThird Party Advisory | |
| https://access.redhat.com/security/cve/CVE-2012-0880 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=787103 | x_refsource_CONFIRMIssue TrackingThird Party AdvisoryVDB Entry | |
| https://nvd.nist.gov/vuln/detail/CVE-2012-0880 | ||
| https://www.cve.org/CVERecord?id=CVE-2012-0880 |
Change history (0)
No recorded changes yet.