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.
CVSS Details
- CVSS 3.1 Base Score: 9.3
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade libfcgi | May 15, 2025 | Jan 10, 2025 |
| Freebsd | — | Upgrade fcgi | May 6, 2025 | May 4, 2025 |
| Suse | — | Upgrade perl-FastCGIUpgrade libfcgi0Upgrade perl-FCGIUpgrade FastCGIUpgrade FastCGI-devel | Dec 5, 2025 | Jul 18, 2025 |
| Ubuntu | — | Upgrade libfcgi0ldblUpgrade libfcgi0t64 | May 7, 2025 | Jan 10, 2025 |
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