In this article, we will clarify the confusion around "5640," provide direct links to official vulnerability databases, list the most critical CVEs affecting PHP 5.6.40, and explain why these links represent a clear and present danger.
Using EOL software violates industry standards like PCI-DSS (payment processing) and GDPR (data protection), which can lead to hefty fines. php version 5640 vulnerabilities link
There is no permanent security fix for PHP 5.6.40 other than upgrading. In this article, we will clarify the confusion
PHP 5.6.40 Attack Surface ├── GD Graphics Library ───> CVE-2019-6977 (Heap-Based OOB Write) ├── MBSTRING Engine ───────> CVE-2019-9023 (Regular Expression Over-read) ├── PHAR Stream Wrapper ───> CVE-2019-9021 (Filename Parsing Memory Leak) └── XMLRPC Component ──────> CVE-2019-9020 / CVE-2019-9024 (Out-of-Bounds Read) The PHP Group stated that "PHP 5
PHP 5.6.40 was released on as a security release. Crucially, the PHP project's official support policy marked the end of life (EOL) for the 5.6 branch on December 31, 2018 . This means PHP 5.6.40 was a final, unscheduled release to address critical security bugs after the official EOL date. The PHP Group stated that "PHP 5.6.40 is the last scheduled release of PHP 5.6 branch," with the possibility of "additional release if we discover important security issues that warrant it".
Web server crashes, website downtime, and disruption of business operations. 3. Information Disclosure
| CVE ID | Severity | Description | Link | |--------|----------|-------------|------| | | Critical (9.8) | Remote Code Execution via env_path_info under specific FPM configurations. | NVD Link | | CVE-2020-7063 | High (7.5) | File upload $_FILES array injection leading to denial of service. | NVD Link | | CVE-2020-7060 | High (7.5) | mb_strpos() & mb_strrpos() may cause a heap-use-after-free. | NVD Link | | CVE-2019-11046 | Medium (6.1) | bcmath function bypass of safe_bin checks. | NVD Link |