CVE-2015-8866 - CVE House
Back to Database
Status published Critical CVE-2015-8866

ext/libxml/libxml.c in PHP before 5.5.22 and 5.6.x before 5.6.6, when...

Vulnerability Description

ext/libxml/libxml.c in PHP before 5.5.22 and 5.6.x before 5.6.6, when PHP-FPM is used, does not isolate each thread from libxml_disable_entity_loader changes in other threads, which allows remote attackers to conduct XML External Entity (XXE) and XML Entity Expansion (XEE) attacks via a crafted XML document, a related issue to CVE-2015-5161.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2015-8866

Credits & Attribution

No credits recorded in the NVD database.

Affected Vendor

Affected Software

php, ubuntu linux, leap, opensuse, linux enterprise module for web scripting, linux enterprise software development kit
Vulnerable Versions:
5.5.0, 5.6.0, 7.0.0, 7.1.0, 7.2.0, 12.04, 14.04, 15.10, 42.1, 13.2, 12

Timeline

Official Publish: May 22nd, 2016
Last Modified: August 6th, 2024
Added to House: July 19th, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.