A AegiFlow
CRITICALCVSS 9.6

CVE-2015-8866

CVE-2015-8866 updated by NVD

Modified
2026-09-20
Sources
nvd

Summary

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 packages

EcosystemPackageAffected versionsFixed versions
PHPphp[object Object], [object Object], [object Object], [object Object], [object Object]

References

Includes data from the National Vulnerability Database (NIST). NVD data is in the public domain; this page is not endorsed by NIST.

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