On 2026-10-25 10:33:37, Demi Marie Obenour wrote: > On 10/24/26 15:56, Roman Kuligin wrote: > > 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 instructions are publicly available on GitHub: > > https://github.com/akamor2800/php-5.4-cve-2026-php2shell-patch Best regards. > > In light of the size of the upstream patch, would it be better to handle out > of memory by crashing the process instead?
Considering that PHP 5.x has been out of security support for ~8 years and out of active support for ~10, best of all would be to crash the process when it starts. For many of those years, there existed no AI marketing departments to publicize individual vulnerabilities. No one knows how, but hundreds of vulnerabilities were nevertheless fixed during that time.
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