QID 356068

QID 356068: Amazon Linux Security Advisory for Hypertext Preprocessor (PHP) : ALASPHP8.0-2023-007

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. (
( CVE-2021-21708)



Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

Successful exploitation of this vulnerability could lead to a securitybreach or could affect integrity, availability, and confidentiality.

  • CVSS V3 rated as Critical - 9.8 severity.
  • CVSS V2 rated as High - 6.8 severity.
    • Solution
    Please refer to Amazon advisory: ALASPHP8.0-2023-007 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 356068

    CVE-2021-21708 |
    Software Advisories
    Advisory ID Software Component Link
    ALASPHP8.0-2023-007 amazon linux 2 URL Logo alas.aws.amazon.com/AL2/ALASPHP8.0-2023-007.html
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