early signals oss-security infra

PHP 5.4.23 (custom 5.4-5.6) backported patch for PHP2Shell OOM vulnerability (CVE-2026-109618)

// AI summary

Roman Kuligin provided a backported patch for PHP 5.4, 5.5, and 5.6 to mitigate the critical PHP2Shell Out-of-Memory vulnerability CVE-2026-109618.

// from the source

Posted by Roman Kuligin on Oct 24 Hello, I have developed a backported .patch for EOL versions of PHP (specifically PHP 5.4, 5.5, and 5.6) to mitigate the critical PHP2Shell Out-of-Memory (OOM) vulnerability (CVE-2026-109618 / CVE-2026-109619). Since these legacy versions are no longer supported by the upstream PHP team, this patch updates the internal memory allocation model to prevent memory exhaustion and crashes during file upload progress tracking. The patch and...
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