Description

FCGI versions 0.44 through 0.82, for Perl, include a vulnerable version of the FastCGI fcgi2 (aka fcgi) library. The included FastCGI library is affected by CVE-2025-23016, causing 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 :

2025-05-16T13:03:02.774Z

Last Modified :

2025-09-05T13:23:05.630Z

Source :

CPANSec
AFFECTED PRODUCTS

The following products are affected by CVE-2025-40907 vulnerability.

Vendors Products
Fastcgi
  • Fcgi
Redhat
  • Enterprise Linux
  • Rhel Aus
  • Rhel E4s
  • Rhel Els
  • Rhel Eus
  • Rhel Tus
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-40907.

URL Resource
http://www.openwall.com/lists/oss-security/2025/04/23/4 cve-icon cve-icon cve-icon
https://github.com/FastCGI-Archives/fcgi2/issues/67 cve-icon cve-icon cve-icon
https://github.com/FastCGI-Archives/fcgi2/releases/tag/2.4.5 cve-icon cve-icon cve-icon
https://github.com/perl-catalyst/FCGI/issues/14 cve-icon cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2025-40907 cve-icon
https://patch-diff.githubusercontent.com/raw/FastCGI-Archives/fcgi2/pull/74.patch cve-icon cve-icon cve-icon
https://www.cve.org/CVERecord?id=CVE-2025-40907 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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