Buffer overflow in Apache Xerces-c\+\+

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 nested DTD.

Vulnerability class: Buffer Overflow

EPSS: 0.142 (96.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2016-4463?
CVE-2016-4463 is a high-severity vulnerability in Apache Xerces-c\+\+, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.5/10. Published 2016-07-08.
How severe is CVE-2016-4463?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2016-4463 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.