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

Q: How do I fix CVE-2014-9767?

php: upgrade to newer than 5.4.45; hiphop virtual machine for php: upgrade to newer than 3.12. Exact commands for each OS are on this page.

Q: Is CVE-2014-9767 being exploited?

CVE-2014-9767 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-2014-9767 affect?

CVE-2014-9767 affects php, hiphop virtual machine for php. Severity is medium (CVSS 4.3). Directory traversal vulnerability in the ZipArchive::extractTo function in ext/zip/php_zip.c in PHP before 5.4.45, 5.5.x before 5.5.29, and 5.6.x before 5.6.13 and ext/zip/ext_zip.cpp in HHVM before 3.12.1 allows remote attackers to create

Q: How urgent is CVE-2014-9767?

Priority 43/100. EPSS top 8%: very likely to be exploited; Public exploit reference

This month

MEDIUM 4.3UPGRADEUPGRADE

CVE-2014-9767 is a medium-severity flaw (CVSS 4.3) affecting php, hiphop virtual machine for php. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Directory traversal vulnerability in the ZipArchive::extractTo function in ext/zip/php_zip.c in PHP before 5.4.45, 5.5.x before 5.5.29, and 5.6.x before 5.6.13 and ext/zip/ext_zip.cpp in HHVM before 3.12.1 allows remote attackers to create arbitrary empty directories via a crafted ZIP archive.

Why this priority

EPSS top 8%: very likely to be exploited
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	4.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	4.7% (top 8%)
CISA exploited list	No
Weakness	CWE-22
Published	2016-05-22
Last modified	2026-06-17

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

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

Am I affected?

Timeline

2016-05-22 01:59 UTCPublished CVE record published
2026-06-17 00:18 UTCUpdated Record last modified

php php UPGRADE

Affected: <= 5.4.45 · 5.5.0 · 5.5.1 · 5.5.2 · 5.5.3 · 5.5.4 · 5.5.5 · 5.5.6

Fixed in: newer than 5.4.45

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy php || rpm -q php || php --version

2. UPGRADE to newer than 5.4.45 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade php

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade php

Note

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

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

Affected: <= 3.12

Fixed in: newer than 3.12

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 3.12 (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-2014-9767?

php: upgrade to newer than 5.4.45; hiphop virtual machine for php: upgrade to newer than 3.12. Exact commands for each OS are on this page.

Is CVE-2014-9767 being exploited?

CVE-2014-9767 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-2014-9767 affect?

CVE-2014-9767 affects php, hiphop virtual machine for php. Severity is medium (CVSS 4.3). Directory traversal vulnerability in the ZipArchive::extractTo function in ext/zip/php_zip.c in PHP before 5.4.45, 5.5.x before 5.5.29, and 5.6.x before 5.6.13 and ext/zip/ext_zip.cpp in HHVM before 3.12.1 allows remote attackers to create

How urgent is CVE-2014-9767?

Priority 43/100. EPSS top 8%: very likely to be exploited; Public exploit reference

Software pages

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References

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