CVE-2025-40907

MediumCVSS 5.3/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Weakness enumeration

CWE-122 CWE-190

Affected software

No affected versions have been published.

Timeline

Published: May 16, 2025
Last modified: Jun 17, 2026
NVD status: Analyzed

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