CVE-2016-6233: The (1) order and (2) group methods in Zend_Db_Select in the Zend Framework before 1.12.19 might allow remote

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CRITICAL 9.8REMOTEWATCHLISTMITIGATEUPGRADE

CVE-2016-6233 is a critical-severity flaw (CVSS 9.8) affecting fedora, zend framework. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The (1) order and (2) group methods in Zend_Db_Select in the Zend Framework before 1.12.19 might allow remote attackers to conduct SQL injection attacks via vectors related to use of the character pattern [\w]* in a regular expression.

Why this priority

Critical severity
Public exploit reference
Remotely exploitable, no login, no user action
On your watchlist

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	2.0% (top 19%)
CISA exploited list	No
Weakness	CWE-89
Published	2017-02-17
Last modified	2026-06-17

Publisher (CNA): Debian GNU/Linux · Vendor: fedoraproject · zend

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

Am I affected?

Timeline

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

fedoraproject fedora MITIGATE

Affected: 23 · 24 · 25

Fixed in: no fixed release known

Safe to downgrade to: a release before 23

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

zend zend framework UPGRADE

Affected: <= 1.12.19

Fixed in: newer than 1.12.19

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy zend-framework || rpm -q zend-framework || zend-framework --version

2. UPGRADE to newer than 1.12.19 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade zend-framework

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade zend-framework

Note

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

Exact fixes by distribution

A distro patch exists: prefer upgrading over downgrading.

Composer (PHP) · zendframework/zendframework · FIXED · 1.12.19 · vulnerable: < 1.12.19 · source

composer require "zendframework/zendframework:>=1.12.19"

Composer (PHP) · zendframework/zendframework1 · FIXED · 1.12.19 · vulnerable: < 1.12.19 · source

composer require "zendframework/zendframework1:>=1.12.19"

Fedora 46 · root · FIXED · 6.40.04-7.fc46 · FEDORA-2026-7329868400 · source

sudo dnf upgrade --advisory=FEDORA-2026-7329868400

Amazon Linux 1 · see advisory · FIXED · ALAS-2016-767 · source

sudo yum update --advisory=ALAS-2016-767

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-2016-6233?

fedora: mitigate or apply the listed mitigation; zend framework: upgrade to newer than 1.12.19. Exact commands for each OS are on this page.

Is CVE-2016-6233 being exploited?

CVE-2016-6233 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-2016-6233 affect?

CVE-2016-6233 affects fedora, zend framework. Severity is critical (CVSS 9.8). The (1) order and (2) group methods in Zend_Db_Select in the Zend Framework before 1.12.19 might allow remote attackers to conduct SQL injection attacks via vectors related to use of the character pattern [\w]* in a regular expression.

How urgent is CVE-2016-6233?

Priority 70/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action; On your watchlist

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References

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