Description

FastCGI fcgi2 (aka fcgi) 2.x through 2.4.4 has an integer overflow (and resultant heap-based buffer overflow) via crafted nameLen or valueLen values in data to the IPC socket. This occurs in ReadParams in fcgiapp.c.

INFO

Published Date :

2025-01-10T00:00:00.000Z

Last Modified :

2026-02-26T19:09:30.942Z

Source :

mitre
AFFECTED PRODUCTS

The following products are affected by CVE-2025-23016 vulnerability.

Vendors Products
Fastcgi
  • Fcgi
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-23016.

URL Resource
http://www.openwall.com/lists/oss-security/2025/04/23/4 cve-icon
https://github.com/FastCGI-Archives/fcgi2/issues/67 cve-icon cve-icon
https://github.com/FastCGI-Archives/fcgi2/releases/tag/2.4.5 cve-icon cve-icon
https://lists.debian.org/debian-lts-announce/2025/10/msg00009.html cve-icon
https://www.synacktiv.com/en/publications/cve-2025-23016-exploiting-the-fastcgi-library cve-icon cve-icon cve-icon
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