CVE-2014-1439

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2014-02-05 · updated 2026-06-17

Description

The libxml_disable_entity_loader function in runtime/ext/ext_simplexml.cpp in HipHop Virtual Machine for PHP (HHVM) before 2.4.0 and 2.3.x before 2.3.3 does not properly disable a certain libxml handler, which allows remote attackers to conduct XML External Entity (XXE) attacks.

Affected products

Hiphop Virtual Machine For Php Project Hiphop Virtual Machine For Php: through 2.3.2; 2.0.0, 2.0.1, 2.0.2, 2.1.0, 2.2.0, 2.3.0 (+1)

References

http://www.hhvm.com/blog/3287/hhvm-2-4-0
https://exchange.xforce.ibmcloud.com/vulnerabilities/90979
https://github.com/facebook/hhvm/commit/95f96e7287effe2fcdfb9a5338d1a7e4f55b083b
http://www.hhvm.com/blog/3287/hhvm-2-4-0
https://exchange.xforce.ibmcloud.com/vulnerabilities/90979
https://github.com/facebook/hhvm/commit/95f96e7287effe2fcdfb9a5338d1a7e4f55b083b

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