strtod.c, as used in the zend_strtod function in PHP 5.2 before 5.2.17 and 5.3 before 5.3.5, and other products, allows context-dependent attackers to cause a denial of service (infinite loop) via a certain floating-point value in scientific notation, which is not properly handled in x87 FPU registers, as demonstrated using 2.2250738585072011e-308.

Threat-Mapped Scoring

Score: 1.5

Priority: P4 - Informational (Low)

• S10 – Denial of Service

EPSS

Score: 0.22717
Percentile: 0.95604

CVSS Scoring

Affected Products

• cpe:2.3:a:php:php:5.2.0:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:5.2.1:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:5.2.2:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:5.2.3:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:5.2.4:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:5.2.5:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:5.2.6:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:5.2.7:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:5.2.8:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:5.2.9:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:5.2.10:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:5.2.11:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:5.2.12:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:5.2.13:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:5.2.14:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:5.2.15:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:5.2.16:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:5.3.0:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:5.3.1:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:5.3.2:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:5.3.3:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:5.3.4:*:*:*:*:*:*:*

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