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CVE-2016-2099

CRITICAL

Use-after-free vulnerability in validators/DTD/DTDScanner.cpp in Apache Xerces C++ 3.1.3 and earlier allows context-dependent attackers to have unspecified impact via an invalid character in an XML document.

Published: May 13, 2016 Modified: Jun 17, 2026

CVSS Metrics

CVSSv3
Attack Vector: NETWORK Attack Complexity: LOW Privileges Required: NONE User Interaction: NONE Scope: UNCHANGED Confidentiality Impact: HIGH Integrity Impact: HIGH Availability Impact: HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Products (2)

Vendor Product Version
apache xerces-c\+\+ *
opensuse opensuse 13.2

GitHub Security Advisory GHSA-pgr8-2267-r79x

Use-after-free vulnerability in validators/DTD/DTDScanner.cpp in Apache Xerces C++ 3.1.3 and...

Risk Scores

CVSS Score 9.8 / 10
EPSS Score 6.78%

Top 7% most likely to be exploited

Threat Score 41.2 / 100

Data Sources

NVD EPSS GitHub