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{"affected_release": [{"advisory": "RHSA-2022:7624", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "php:8.0-8070020220801083134.afd00e68", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2022-11-08T00:00:00Z"}, {"advisory": "RHSA-2022:7628", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "php:7.4-8070020220707122009.afd00e68", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2022-11-08T00:00:00Z"}, {"advisory": "RHSA-2022:8197", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "php-0:8.0.20-3.el9", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2022-11-15T00:00:00Z"}], "bugzilla": {"description": "php: Use after free due to php_filter_float() failing for ints", "id": "2055879", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2055879"}, "csaw": false, "cvss3": {"cvss3_base_score": "9.8", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "status": "verified"}, "cwe": "CWE-416", "details": ["In PHP versions 7.4.x below 7.4.28, 8.0.x below 8.0.16, and 8.1.x below 8.1.3, when using filter functions with FILTER_VALIDATE_FLOAT filter and min/max limits, if the filter fails, there is a possibility to trigger use of allocated memory after free, which can result it crashes, and potentially in overwrite of other memory chunks and RCE. This issue affects: code that uses FILTER_VALIDATE_FLOAT with min/max limits.", "A flaw was found in PHP. The vulnerability occurs due to the malformed php_filter_float() function and leads to a use-after-free vulnerability. This flaw allows an attacker to inject a malicious file, leading to a crash or a Segmentation fault."], "name": "CVE-2021-21708", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "php", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "php", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/a:redhat:rhel_software_collections:3", "fix_state": "Not affected", "package_name": "rh-php73-php", "product_name": "Red Hat Software Collections"}], "public_date": "2022-02-17T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-21708\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-21708\nhttps://www.php.net/ChangeLog-7.php#PHP_7_4"], "threat_severity": "Important"}