CVE-2014-1439: The libxml_disable_entity_loader function in runtime/ext/ext_simplexml.cpp in HipHop Virtual Machine for PHP (

Q: How do I fix CVE-2014-1439?

hiphop virtual machine for php: upgrade to newer than 2.3.2. Exact commands for each OS are on this page.

Q: Is CVE-2014-1439 being exploited?

CVE-2014-1439 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2014-1439 affect?

CVE-2014-1439 affects hiphop virtual machine for php. Severity is medium (CVSS 5.0). 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 con

Q: How urgent is CVE-2014-1439?

Priority 36/100. No elevated risk signals yet.

Routine

MEDIUM 5.0UPGRADE

CVE-2014-1439 is a medium-severity flaw (CVSS 5.0) affecting hiphop virtual machine for php. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	1.5% (top 26%)
CISA exploited list	No
Published	2014-02-05
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: hiphop virtual machine for php project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2014-02-05 19:55 UTCPublished CVE record published
2026-06-17 00:04 UTCUpdated Record last modified

hiphop virtual machine for php project hiphop virtual machine for php UPGRADE

Affected: <= 2.3.2 · 2.0.0 · 2.0.1 · 2.0.2 · 2.1.0 · 2.2.0 · 2.3.0 · 2.3.1

Fixed in: newer than 2.3.2

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy hiphop-virtual-machine-for-php || rpm -q hiphop-virtual-machine-for-php || hiphop-virtual-machine-for-php --version

2. UPGRADE to newer than 2.3.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade hiphop-virtual-machine-for-php

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade hiphop-virtual-machine-for-php

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2014-1439?

hiphop virtual machine for php: upgrade to newer than 2.3.2. Exact commands for each OS are on this page.

Is CVE-2014-1439 being exploited?

CVE-2014-1439 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2014-1439 affect?

CVE-2014-1439 affects hiphop virtual machine for php. Severity is medium (CVSS 5.0). 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 con

How urgent is CVE-2014-1439?

Priority 36/100. No elevated risk signals yet.

Software pages

PHP vulnerabilities

Related CVEs

CVE-2014-9767 MEDIUM 4.3 UPGRADE UPGRADE Directory traversal vulnerability in the ZipArchive::extractTo function in ext/zip/php_zip.c in PHP before 5.4

References

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