How severe is CVE-2014-1439?

CVE-2014-1439 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2014-1439 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-1439?

CVE-2014-1439 primarily affects Hiphop Virtual Machine For Php Project Hiphop Virtual Machine For Php. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2014-1439?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2014-1439 published?

CVE-2014-1439 was published on 2014-02-05 and last updated on 2026-06-17.

CVE-2014-1439

CVE-2014-1439 is a medium-severity vulnerability in Hiphop Virtual Machine For Php Project Hiphop Virtual Machine For Php with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 1% (70th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Hiphop Virtual Machine For Php Project Hiphop Virtual Machine For Php
Published: 2014-02-05
Last modified: 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.

Frequently asked questions

What is CVE-2014-1439?: 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.
How severe is CVE-2014-1439?: CVE-2014-1439 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2014-1439 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-1439?: CVE-2014-1439 primarily affects Hiphop Virtual Machine For Php Project Hiphop Virtual Machine For Php. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2014-1439?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2014-1439 published?: CVE-2014-1439 was published on 2014-02-05 and last updated on 2026-06-17.

References

Affected products (8)

cpe:2.3:a:hiphop_virtual_machine_for_php_project:hiphop_virtual_machine_for_php:*:*:*:*:*:*:*:*
cpe:2.3:a:hiphop_virtual_machine_for_php_project:hiphop_virtual_machine_for_php:2.0.0:*:*:*:*:*:*:*
cpe:2.3:a:hiphop_virtual_machine_for_php_project:hiphop_virtual_machine_for_php:2.0.1:*:*:*:*:*:*:*
cpe:2.3:a:hiphop_virtual_machine_for_php_project:hiphop_virtual_machine_for_php:2.0.2:*:*:*:*:*:*:*
cpe:2.3:a:hiphop_virtual_machine_for_php_project:hiphop_virtual_machine_for_php:2.1.0:*:*:*:*:*:*:*
cpe:2.3:a:hiphop_virtual_machine_for_php_project:hiphop_virtual_machine_for_php:2.2.0:*:*:*:*:*:*:*
cpe:2.3:a:hiphop_virtual_machine_for_php_project:hiphop_virtual_machine_for_php:2.3.0:*:*:*:*:*:*:*
cpe:2.3:a:hiphop_virtual_machine_for_php_project:hiphop_virtual_machine_for_php:2.3.1:*:*:*:*:*:*:*

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