This page aggregates publicly disclosed CVE and security risk information related to fastcgi, with CVSS, EPSS, publication dates, and vulnerability intelligence data to help assess potential risk and remediation priority.
| CVE | Summary | Source | Max CVSS | EPSS % | Published | Updated |
|---|---|---|---|---|---|---|
| CVE-2025-40907 | 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. | 9b29abf9-4ab0-4765-b253-1875cd9b441e | 5.3 | 0.76% | 2025-05-16 | 2025-09-29 |
| CVE-2012-6687 | FastCGI (aka fcgi and libfcgi) 2.4.0 allows remote attackers to cause a denial of service (segmentation fault and crash) via a large number of connections. | [email protected] | 5.0 | 25.51% | 2015-02-19 | 2026-05-06 |