A new updated php package within CloudLinux OS 6 ELS has been rolled out to 100% and is now available for download from our production repository.

Changelog

php-5.3.3-55.el6.cloudlinux.els

• Fix priv escalation due to shared memory between worker processes (CVE-2021-21703)
• Fix integer overflow and subsequent incorrect buffer allocation (CVE-2021-21704)
• Fix logic error due to incorrect input validation (CVE-2021-21705)

Update command

yum update php*