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CVE-2015-8866

CRITICAL
9.6
CVSS Severity Score
EPSS Score0.0570%
EPSS Percentile24.43th
PublishedMay 22, 2016
Last ModifiedMay 6, 2026

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.

Affected Platforms (CPE)

πŸ“¦
Php

Php

>= 5.5.0 and < 5.5.22
πŸ“¦
Php

Php

>= 5.6.0 and < 5.6.6
πŸ“¦
Php

Php

>= 7.0.0 and < 7.0.27
πŸ“¦
Php

Php

>= 7.1.0 and < 7.1.13
πŸ“¦
Php

Php

>= 7.2.0 and < 7.2.1
πŸ’»
Canonical

Ubuntu Linux

= 12.04
πŸ’»
Canonical

Ubuntu Linux

= 14.04
πŸ’»
Canonical

Ubuntu Linux

= 15.10
πŸ’»
Opensuse

Leap

= 42.1
πŸ’»
Opensuse

Opensuse

= 13.2
πŸ’»
Suse

Linux Enterprise Module For Web Scripting

= 12
πŸ’»
Suse

Linux Enterprise Software Development Kit

= 12
πŸ’»
Suse

Linux Enterprise Software Development Kit

= 12

References & Advisories

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