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.

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Source ID Title
Debian DLA Debian DLA DLA-4329-1 libfcgi security update
EUVD EUVD EUVD-2025-3075 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.
Ubuntu USN Ubuntu USN USN-7486-1 FastCGI vulnerability
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Mon, 03 Nov 2025 18:30:00 +0000

Type Values Removed Values Added
References

Wed, 16 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00049}

epss

{'score': 0.00041}


Thu, 24 Apr 2025 15:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 23 Apr 2025 23:45:00 +0000

Type Values Removed Values Added
References

Wed, 23 Apr 2025 23:30:00 +0000


Fri, 10 Jan 2025 16:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Fri, 10 Jan 2025 12:00:00 +0000

Type Values Removed Values Added
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.
Weaknesses CWE-190
References
Metrics cvssV3_1

{'score': 9.3, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2025-11-03T17:32:13.959Z

Reserved: 2025-01-10T00:00:00.000Z

Link: CVE-2025-23016

cve-icon Vulnrichment

Updated: 2025-11-03T17:32:13.959Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-01-10T12:15:25.480

Modified: 2025-11-03T18:15:50.653

Link: CVE-2025-23016

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-07-12T15:26:18Z

Weaknesses