xerces-c27: Stack overflow when parsing recursive XML structures
Published Aug 11, 2009
4.3
MEDIUMCVSS 2.0
EPSS 5.32%
Description
Stack consumption vulnerability in validators/DTD/DTDScanner.cpp in Apache Xerces C++ 2.7.0 and 2.8.0 allows context-dependent attackers to cause a denial of service (application crash) via vectors involving nested parentheses and invalid byte values in "simply nested DTD structures," as demonstrated by the Codenomicon XML fuzzing framework.
Affected products
No data.
- 2.7.0
- 2.8.0
No data.
Red Hat Enterprise MRG 1
xerces-c
Will not fix
Red Hat Enterprise MRG 2
xerces-c
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise MRG 1 | xerces-c | Will not fix | n/a |
| Red Hat Enterprise MRG 2 | xerces-c | Will not fix | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
Red Hat Product Security has rated this issue as having Low security impact. This issue is not currently planned to be addressed in future updates. 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.
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:N/I:N/A:P
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 3, 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 (13 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 5.32% (0.05324) | 92.37th | v5 (v2026.06.15) |
| Jun 15, 2026 | 5.32% (0.05324) | 91.53th | v5 (v2026.06.15) |
| Mar 30, 2025 | 14.12% (0.14118) | 93.76th | v4 (v2025.03.14) |
| Mar 29, 2025 | 16.83% (0.16834) | 91.64th | v4 (v2025.03.14) |
| Mar 17, 2025 | 14.12% (0.14118) | 93.84th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.13% (0.00129) | 49.34th | v3 (v2023.03.01) |
| Jun 14, 2024 | 0.13% (0.00129) | 47.94th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.13% (0.00129) | 45.91th | v3 (v2023.03.01) |
| Mar 6, 2023 | 5.24% (0.05242) | 89.75th | v2 (v2022.01.01) |
| Jul 18, 2022 | 5.24% (0.05242) | 89.11th | v2 (v2022.01.01) |
| Jul 17, 2022 | 2.69% (0.02686) | 81.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 5.24% (0.05242) | 88.72th | v2 (v2022.01.01) |
| Feb 4, 2022 | 5.24% (0.05242) | 75.28th | v2 (v2022.01.01) |
References (18)
- http://secunia.com/advisories/36201 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://svn.apache.org/viewvc/xerces/c/trunk/src/xercesc/validators/DTD/DTDScanner.cpp?r1=781488&r2=781487&pathrev=781488&view=patch x_refsource_CONFIRM
- http://svn.apache.org/viewvc?view=rev&revision=781488 x_refsource_CONFIRMExploit
- http://www.cert.fi/en/reports/2009/vulnerability2009085.html x_refsource_MISC
- http://www.codenomicon.com/labs/xml/ x_refsource_MISC
- http://www.mandriva.com/security/advisories?name=MDVSA-2009:223 vendor-advisoryx_refsource_MANDRIVA
- http://www.networkworld.com/columnists/2009/080509-xml-flaw.html x_refsource_MISC
- http://www.securityfocus.com/bid/35986 vdb-entryx_refsource_BID
- http://www.vupen.com/english/advisories/2009/2196 vdb-entryx_refsource_VUPENPatchVendor Advisory
- https://access.redhat.com/security/cve/CVE-2009-1885 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=515515 x_refsource_CONFIRMPatchIssue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/52321 vdb-entryx_refsource_XF
- https://nvd.nist.gov/vuln/detail/CVE-2009-1885
- https://www.cve.org/CVERecord?id=CVE-2009-1885
- https://www.redhat.com/archives/fedora-package-announce/2009-August/msg01001.html vendor-advisoryx_refsource_FEDORA
- https://www.redhat.com/archives/fedora-package-announce/2009-August/msg01099.html vendor-advisoryx_refsource_FEDORA
- https://www.redhat.com/archives/fedora-package-announce/2009-August/msg01136.html vendor-advisoryx_refsource_FEDORA
- https://www.redhat.com/archives/fedora-package-announce/2009-August/msg01150.html vendor-advisoryx_refsource_FEDORA
Change history (0)
No recorded changes yet.