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CVE-2016-4463
Stack-based buffer overflow in Apache Xerces-C++ before 3.1.4 allows context-dependent attackers to cause a denial of service via a deeply…
- 7.5HighCVSS base score
- 14.2%Exploitation in 30 daysEPSS · top 3.4% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
Stack-based buffer overflow in Apache Xerces-C++ before 3.1.4 allows context-dependent attackers to cause a denial of service via a deeply nested DTD.
Timeline
ID reserved
By redhat
- 2 months later
· 2 months later
Published
- 8 years later
· 8 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | High7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 14.2% · top 3.4% of all CVEs (9 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Affected products
n/a
- affected n/a
References
15
- http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://issues.apache.org/jira/browse/XERCESC-2069 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://issues.apache.org/jira/secure/ReleaseNote.jspa?projectId=10510&version=12336069 (opens in a new tab)x_refsource_CONFIRMx_transferred
- RHSA-2018:3335 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- DSA-3610 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- 1036211 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- openSUSE-SU-2016:2232 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- RHSA-2018:3506 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2018:3514 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- 91501 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- http://xerces.apache.org/xerces-c/secadv/CVE-2016-4463.txt (opens in a new tab)x_refsource_CONFIRMx_transferred
- 20160629 CVE-2016-4463: Apache Xerces-C XML Parser Crashes on Malformed DTD (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- http://packetstormsecurity.com/files/137714/Apache-Xerces-C-XML-Parser-Crash.html (opens in a new tab)x_refsource_MISCx_transferred
- openSUSE-SU-2016:1808 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- https://www.oracle.com/security-alerts/cpuapr2020.html (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2016-5452 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2016-4463)Record last updated .