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CVE-2009-0754

19
FAUCET Score

CVE-2009-0754 describes a vulnerability in PHP versions 4.4.4, 5.1.6, and others, when hosted on Apache web servers. A local attacker can manipulate the mbstring.func_overload setting via a .htaccess file, inadvertently affecting other virtual hosts on the same server. This vulnerability has a low severity CVSS score of 2.1 (AV:L/AC:L/Au:N/C:N/I:P/A:N), indicating local access and low attack complexity, with potential for partial integrity impact. There is no evidence of active exploitation, no Metasploit or Nuclei modules, and only one ExploitDB entry for a related denial-of-service vulnerability, with minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
4.4.4CPE matchmatch criteria
cpe:2.3:a:php:php:4.4.4:*:*:*:*:*:*:*
5.1.6CPE matchmatch criteria
cpe:2.3:a:php:php:5.1.6:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

2.1LOW

AV:L/AC:L/Au:N/C:N/I:P/A:N

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Exploitability Score
3.9
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.95%
Probability of exploitation in next 30 days
EPSS Percentile
57.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
ExploitDB: EDB-32769 · Jan 30, 2009
This CVE's current EPSS score of 0.0095 is in the 90th percentile among its peer group of 2,096 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.6 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 3Fixed in: php-0:4.3.2-51.ent
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: php-0:4.3.9-3.22.15
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: php-0:5.1.6-23.2.el5_3
View patch

Vendor Advisories (1)

redhatCVE-2009-0754Moderate

PHP mbstring.func_overload web server denial of service

Feb 27, 2004

References

bugs.php.net / bug.php
ExploitVendor Advisory
lists.opensuse.org / opensuse-security-announce/2009-04/msg00003.html
secunia.com / advisories/34642
secunia.com / advisories/34830
secunia.com / advisories/35003
secunia.com / advisories/35007
secunia.com / advisories/35306
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11035
usn.ubuntu.com / 761-1
redhat.com / archives/fedora-package-announce/2009-May/msg01451.html
redhat.com / archives/fedora-package-announce/2009-May/msg01465.html
debian.org / security/2009/dsa-1789
openwall.com / lists/oss-security/2009/01/30/1
openwall.com / lists/oss-security/2009/02/03/3
openwall.com / lists/oss-security/2009/02/25/3
redhat.com / support/errata/RHSA-2009-0350.html
securitytracker.com / id