CVE-2016-6175: Eval injection vulnerability in php-gettext 1.0.12 and earlier allows remote attackers to execute arbitrary PH

Q: How do I fix CVE-2016-6175?

php-gettext: upgrade to newer than 1.0.12. Exact commands for each OS are on this page.

Q: Is CVE-2016-6175 being exploited?

CVE-2016-6175 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-2016-6175 affect?

CVE-2016-6175 affects php-gettext. Severity is critical (CVSS 9.8). Eval injection vulnerability in php-gettext 1.0.12 and earlier allows remote attackers to execute arbitrary PHP code via a crafted plural forms header.

Q: How urgent is CVE-2016-6175?

Priority 69/100. Critical severity; EPSS top 3%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

This week

CRITICAL 9.8REMOTEUPGRADE

CVE-2016-6175 is a critical-severity flaw (CVSS 9.8) affecting php-gettext. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Eval injection vulnerability in php-gettext 1.0.12 and earlier allows remote attackers to execute arbitrary PHP code via a crafted plural forms header.

Why this priority

Critical severity
EPSS top 3%: very likely to be exploited
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	19.7% (top 3%)
CISA exploited list	No
Weakness	CWE-94
Published	2017-02-07
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: php-gettext project

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

Am I affected?

Timeline

2017-02-07 15:59 UTCPublished CVE record published
2026-06-17 00:50 UTCUpdated Record last modified

php-gettext project php-gettext UPGRADE

Affected: <= 1.0.12

Fixed in: newer than 1.0.12

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 1.0.12 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade php-gettext

Note

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

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: PHP gettext 1.0.12 - 'gettext.php' Code Execution

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-2016-6175?

php-gettext: upgrade to newer than 1.0.12. Exact commands for each OS are on this page.

Is CVE-2016-6175 being exploited?

CVE-2016-6175 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-2016-6175 affect?

CVE-2016-6175 affects php-gettext. Severity is critical (CVSS 9.8). Eval injection vulnerability in php-gettext 1.0.12 and earlier allows remote attackers to execute arbitrary PHP code via a crafted plural forms header.

How urgent is CVE-2016-6175?

Priority 69/100. Critical severity; EPSS top 3%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities

Related CVEs

CVE-2015-8980 CRITICAL 9.8 UPGRADE MITIGATE The plural form formula in ngettext family of calls in php-gettext before 1.0.12 allows remote attackers to ex

References

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