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.
| Reporter | Title | Published | Views | Family All 85 |
|---|---|---|---|---|
 | fcgi -- Heap-based buffer overflow via crafted nameLen/valueLen in ReadParams | 10 Jan 202500:00 | – | freebsd |
 | Amazon Linux 2 : perl-FCGI (ALAS-2025-2880) | 12 Jun 202500:00 | – | nessus |
| Alibaba Cloud Linux 3 : 0088: perl-FCGI:0.78 (ALINUX3-SA-2025:0088) | 17 Jun 202500:00 | – | nessus |
| Azure Linux 3.0 Security Update: fcgi (CVE-2025-23016) | 6 May 202500:00 | – | nessus |
| Debian dla-4329 : libfcgi-bin - security update | 13 Oct 202500:00 | – | nessus |
| Fedora 41 : fcgi (2025-67511a59e3) | 5 Dec 202500:00 | – | nessus |
| Fedora 43 : fcgi (2025-93042e260c) | 5 Dec 202500:00 | – | nessus |
| Fedora 41 : fcgi (2025-bf22da3848) | 8 Jun 202500:00 | – | nessus |
| Fedora 42 : fcgi (2025-d7c1457e7e) | 5 Dec 202500:00 | – | nessus |
| Fedora 42 : fcgi (2025-e5cc4338e7) | 8 Jun 202500:00 | – | nessus |
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18 Feb 2026 10:09Current
8.5High risk
Vulners AI Score8.5
CVSS 3.19.3
EPSS0.00578
SSVC