ByteOS Network

NVD Vulnerability Details :

CVE-2025-23016

Deferred

Source-cve@mitre.org

Published At-10 Jan, 2025 | 12:15

Updated At-15 Apr, 2026 | 00:35

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.

Date Added	Due Date	Vulnerability Name	Required Action
	N/A

Metrics

Type	Version	Base score	Base severity	Vector
Secondary	3.1	9.3	CRITICAL	CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Type: Secondary

Version: 3.1

Base score: 9.3

Base severity: CRITICAL

Vector:

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

Weaknesses

CWE ID	Type	Source
CWE-190	Secondary	cve@mitre.org

CWE ID: CWE-190

Type: Secondary

Source: cve@mitre.org

References

Hyperlink	Source	Resource
https://github.com/FastCGI-Archives/fcgi2/issues/67	cve@mitre.org	N/A
https://github.com/FastCGI-Archives/fcgi2/releases/tag/2.4.5	cve@mitre.org	N/A
https://www.synacktiv.com/en/publications/cve-2025-23016-exploiting-the-fastcgi-library	cve@mitre.org	N/A
http://www.openwall.com/lists/oss-security/2025/04/23/4	af854a3a-2127-422b-91ae-364da2661108	N/A
https://lists.debian.org/debian-lts-announce/2025/10/msg00009.html	af854a3a-2127-422b-91ae-364da2661108	N/A
https://www.synacktiv.com/en/publications/cve-2025-23016-exploiting-the-fastcgi-library	134c704f-9b21-4f2e-91b3-4a467353bcc0	N/A