CVE-2017-12627

Severity: critical (CVSS 9.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 8.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-03-01 · updated 2026-06-17
Weakness: CWE-476

Description

In Apache Xerces-C XML Parser library before 3.2.1, processing of external DTD paths can result in a null pointer dereference under certain conditions.

Affected products

Apache Software Foundation Apache Xerces C++: before 3.2.1 — fixed in 3.2.1

How to fix

Upgrade to a fixed version: Apache Software Foundation Apache Xerces C++ 3.2.1. Check the vendor advisory for mitigations.

References

http://seclists.org/oss-sec/2018/q1/203
http://www.securityfocus.com/bid/103219
http://xerces.apache.org/xerces-c/secadv/CVE-2017-12627.txt
https://kc.mcafee.com/corporate/index?page=content&id=SB10365
https://lists.debian.org/debian-lts-announce/2018/03/msg00032.html
http://seclists.org/oss-sec/2018/q1/203
http://www.securityfocus.com/bid/103219
http://xerces.apache.org/xerces-c/secadv/CVE-2017-12627.txt
https://kc.mcafee.com/corporate/index?page=content&id=SB10365
https://lists.debian.org/debian-lts-announce/2018/03/msg00032.html

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