CVE-2025-23016

CriticalCVSS 9.3/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 9.3/10CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Weakness enumeration

CWE-190

Affected software

No affected versions have been published.

Timeline

Published: Jan 10, 2025
Last modified: Jun 17, 2026
NVD status: Deferred

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