VULNERABILITY INTELLIGENCE

CVE-2025-40907

CVSS score5.3 MEDIUM
EPSS probability0.68%
CISA KEVNot currently listed
Published2025-05-16
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

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.

Weakness classification

  • 9b29abf9-4ab0-4765-b253-1875cd9b441e: CWE-122
  • nvd@nist.gov: CWE-190

Primary references