What’s Vulnerable › Vulnerabilities

CVE-2006-4431

• Severity: high (CVSS 7.5 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2006-08-29 · updated 2026-06-16
• Weakness: CWE-119

Description

Multiple buffer overflows in the (a) Session Clustering Daemon and the (b) mod_cluster module in the Zend Platform 2.2.1 and earlier allow remote attackers to cause a denial of service (crash) or execute arbitrary code via a (1) empty or (2) crafted PHP session identifier (PHPSESSID).

Affected products

• Zend Platform: through 2.2.1a

References

• http://marc.info/?l=full-disclosure&m=115642248226217&w=2
• http://secunia.com/advisories/21573
• http://securityreason.com/securityalert/1466
• http://www.hardened-php.net/advisory_052006.128.html
• http://www.osvdb.org/28230
• http://www.osvdb.org/28231
• http://www.securityfocus.com/archive/1/444263/100/0/threaded
• http://www.securityfocus.com/bid/19692
• http://www.vupen.com/english/advisories/2006/3388
• https://exchange.xforce.ibmcloud.com/vulnerabilities/28573
• http://marc.info/?l=full-disclosure&m=115642248226217&w=2
• http://secunia.com/advisories/21573

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