Php · Php · CVE-2010-4645
**Name of the Vulnerable Software and Affected Versions**
PHP versions 5.2 through 5.2.16
PHP versions 5.3 through 5.3.4
**Description**
The issue allows context-dependent attackers to cause a denial of service, resulting in an infinite loop, via a certain floating-point value in scientific notation. This value is not properly handled in x87 FPU registers, as demonstrated using the value `2.2250738585072011e-308`.
**Recommendations**
For PHP versions 5.2 through 5.2.16, update to version 5.2.17 or later.
For PHP versions 5.3 through 5.3.4, update to version 5.3.5 or later.