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...
9.3
CVSS
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.
Classification
CVE ID: CVE-2025-23016
CVSS Base Severity: CRITICAL
CVSS Base Score: 9.3
Affected Products
Vendor: FastCGI
Product: fcgi
Exploit Prediction Scoring System (EPSS)
EPSS Score: 0.04% (probability of being exploited)
EPSS Percentile: 11.47% (scored less or equal to compared to others)
EPSS Date: 2025-02-08 (when was this score calculated)