PHP FastCGI Process Manager (FPM)
YES - ON THE CISA KEV LIST
CVE-2019-11043
PHP FastCGI Process Manager (FPM) Buffer Overflow Vulnerability
overdue since 2022-04-15
PHP: 3 entries (0.2% of all KEV entries are from this vendor); 0 added in 2026.
BOD 26-04 note: this is the date printed in the CISA catalog. A federal agency's actual deadline is set by its SSVC tier - Act (3 days), Attend (14 days), Track (60 days), or the next scheduled upgrade - counted from the KEV listing date or the date the vulnerability is identified in its environment, whichever comes first. Use the tier helper on each CVE page for your own window.
Your BOD 26-04 window (SSVC tier helper)
Your remediation window ends:
Description
In some versions of PHP in certain configurations of FPM setup, it is possible to cause FPM module to write past allocated buffers allowing the possibility of remote code execution.
Required action (CISA)
Apply updates per vendor instructions.
Notes
https://nvd.nist.gov/vuln/detail/CVE-2019-11043
References
Other KEV entries for this vendor: PHP
- CVE-2016-10033 - PHPMailer (2025-07-07)
- CVE-2012-1823 - PHP (2022-03-25)
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