CVE-2025-23016
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.
Published:Jan 10, 2025
Last Modified:Apr 15, 2026
EPS:Jan 10, 2025
EPSS Score:0.00084
CVSS Score:9.3
Affected Products
Vendor
Product
Action
Vendor
Fastcgi
Product
Fcgi
Fastcgi
Fcgi
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
Related CVEs
References
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
