CVE-2007-3806: php Improper Input Validation
Vulnerability summary
CVE-2007-3806 is a medium (CVSS 6.8) Improper Input Validation vulnerability in php. EPSS estimates a 10.74% chance of exploitation in the next 30 days, higher than 95.8% of scored vulnerabilities. 1 public exploit is recorded.
Not severe (CVSS 6.8, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 3Timeline
- 17-07-2007PublishedVulnerability first disclosed.
- 07-08-2024Last modifiedVulnerability information updated.
Description
The glob function in PHP 5.2.3 allows context-dependent attackers to cause a denial of service and possibly execute arbitrary code via an invalid value of the flags parameter, probably related to memory corruption or an invalid read on win32 platforms, and possibly related to lack of initialization for a glob structure.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
10.74%
Chance of exploitation in the next 30 days
Percentile
96%
Versus all other CVEs
30-day change
No change 0.00 pp
From 10.74% 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
1 foundPHP 5.2.3 - 'glob()' Denial of Service
Maturity: poc
Weaknesses
CWE · root cause- CWE-20Improper Input ValidationThe product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
- CWE-399Resource Management ErrorsWeaknesses in this category are related to improper management of system resources.
Affected systems
Known conditions: network-reachable, no authentication (CVSS vector). Other conditions: not stated in public data.
Php1 product
- phpEOL5.2.3
1 vendor · 1 product
References
18 links- www.php.net/ChangeLog-5.phpX Refsource CONFIRM
Show all 18 references
- cvs.php.net/viewvc.cgi/php-src/ext/standard/dir.c?view=logX Refsource MISC
- www.php.net/releases/5_2_4.phpX Refsource CONFIRM