CVE-2025-40907
Medium
Description
FCGI versions 0.44 through 0.82, for Perl, include a vulnerable version of the FastCGI fcgi2 (aka fcgi) library. The included FastCGI library is affected by CVE-2025-23016, causing 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.
SeverityMedium
CVSS5.3
Exploit probability—
ProductFastcgi Fcgi
PublishedMay 16, 2025
First seenMay 16, 2025
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| fastcgi fcgi | 0.44 ≤ v ≤ 0.82 | — |
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