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Servers and applications

CVE-2009-0754

PHP 4.4.4, 5.1.6, and other versions, when running on Apache, allows local users to modify behavior of other sites hosted on the same web server by modifying the mbstring.func_overload setting within .htaccess, which causes this setting to be applied to other virtual hosts on the same server.

Severity
Low 2.1
Published
3 Mar 2009
Last changed
16 Jun 2026
Added to UpHeron
14 Oct 2026
Exploit chance
0.9% in the next 30 daysHigher than 61% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
Format string (CWE-134)
Attack
Needs local access · No login needed
Attacker can
Change some data
CVSS vector
AV:L/AC:L/Au:N/C:N/I:P/A:N
Sources
NVD

Affected software

SoftwareAffected versions
PHPServers and applications · cpe:a:php:php
  • Version 4.4.4
  • Version 5.1.6

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2009-0754
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2009-0754