An update for the php:7.4 module is now available for Red Hat Enterprise Linux
 8.4 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions, and Red Hat Enterprise Linux 8.4 Telecommunications Update Service.

Red Hat Product Security has rated this update as having a security impact of
 Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

PHP is an HTML-embedded scripting language commonly used with the Apache HTTP
 Server.

Security Fix(es):

* php: Use after free due to php_filter_float() failing for ints
 (CVE-2021-21708)

For more details about the security issue(s), including the impact, a CVSS
 score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

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CVE-2021-21708: Use After Free (CWE-416)