CVE-2025-40907CWE-122CWE-1395CWE-190

FCGI versions 0.44 through 0.82, for Perl, include a vulnerable version of the FastCGI fcgi2 (aka fcgi) library

Medium · published May 16, 2025

CVSS v3.1
5.3
EPSS
1%
Percentile
51.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CVSS v4.0
Not supplied
EPSS
0.00676 · 51.6th percentile
Weaknesses
CWE-122 · Heap-based Buffer Overflow; CWE-1395 · Dependency on Vulnerable Third-Party Component; CWE-190 · Integer Overflow or Wraparound
Published
2025-05-16T13:03Z
EPSS history
Timeline
  • 16 MAY 13:03Z
    FCGI versions 0.44 through 0.82, for Perl, include a vulnerable version of the FastCGI fcgi2 (aka fcgi) library
    cvelistv5