CVE-2009-0754: php
Vulnerability summary
CVE-2009-0754 is a low (CVSS 2.1) vulnerability in php. EPSS estimates a 0.95% chance of exploitation in the next 30 days, higher than 61.2% of scored vulnerabilities. 2 public exploits are recorded.
Not severe (CVSS 2.1, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 4Timeline
- 03-03-2009PublishedVulnerability first disclosed.
- 07-08-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
0.95%
Chance of exploitation in the next 30 days
Percentile
61%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.95% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
2 foundExploit Reference (bugs.php.net)
Maturity: unknown
PHP 5.2.5 - 'mbstring.func_overload' WebServer Denial of Service
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, no authentication (CVSS vector). Other conditions: not stated in public data.
Php1 product
- phpEOL4.4.4 | 5.1.6
1 vendor · 1 product
References
17 links- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11035VDB EntrySignatureX Refsource OVAL
- www.redhat.com/archives/fedora-package-announce/2009-May/msg01451.htmlVendor AdvisoryX Refsource FEDORA
Show all 17 references
- www.redhat.com/archives/fedora-package-announce/2009-May/msg01465.htmlVendor AdvisoryX Refsource FEDORA