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Case File

CVE-2015-9253

MEDIUM · CVSS 6.5 EPSS 4.18% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2018-02-19 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2015-9253
Severity
MEDIUM
CVSS
6.5
EPSS
4.18%

Original NVD Description

An issue was discovered in PHP 7.3.x before 7.3.0alpha3, 7.2.x before 7.2.8, and before 7.1.20. The php-fpm master process restarts a child process in an endless loop when using program execution functions (e.g., passthru, exec, shell_exec, or system) with a non-blocking STDIN stream, causing this master process to consume 100% of the CPU, and consume disk space with a large volume of error logs, as demonstrated by an attack by a customer of a shared-hosting facility.

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