CVE-2019-11043

CriticalCVSS 9.8/10Known exploited (CISA KEV)Last modified Jun 17, 2026

Description

In PHP versions 7.1.x below 7.1.33, 7.2.x below 7.2.24 and 7.3.x below 7.3.11 in certain configurations of FPM setup it is possible to cause FPM module to write past allocated buffers into the space reserved for FCGI protocol data, thus opening the possibility of remote code execution.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-120CWE-787

Affected software

VendorProductVersions
PHPPHP>= 7.1.x, < 7.1.33; >= 7.2.x, < 7.2.24; >= 7.3.x, < 7.3.11

References

Timeline

Published
Oct 28, 2019
Last modified
Jun 17, 2026
Added to CISA KEV
Mar 25, 2022
NVD status
Analyzed

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CVE-2019-11043: Critical severity, CVSS 9.8 | Vulnix