VulnerabilityModified

CVE-2016-2099

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.

CRITICAL 9.8EPSS 6.63%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (6.63%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

CVSS 3.0: 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS: 6.63% probability · 94th percentile
Public exploits: None in Exploit-DB
CISA KEV: Not listed
Affected: apache/xerces-c\+\+ · opensuse/opensuse
Source: secalert@redhat.com

EPSS trend

EPSS 6.6% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.