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.
CVSS Details
- CVSS 3.1 Base Score: 5.3
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | alma-upgrade-perl-fcgi | Jul 4, 2025 | May 16, 2025 | |
| Amazon Linux Ami 2 | amazon-linux-ami-2-upgrade-perl-fcgiamazon-linux-ami-2-upgrade-perl-fcgi-debuginfo | Jun 13, 2025 | May 16, 2025 | |
| Debian | debian-upgrade-libfcgi-perl | May 20, 2025 | May 16, 2025 | |
| Oracle_linux | — | oracle-linux-upgrade-perl-fcgi | Jun 10, 2025 | May 16, 2025 |
| Redhat_linux | redhat-upgrade-perl-fcgiredhat-upgrade-perl-fcgi-debuginforedhat-upgrade-perl-fcgi-debugsource | Jun 10, 2025 | May 16, 2025 | |
| Rocky_linux | rocky-upgrade-perl-fcgirocky-upgrade-perl-fcgi-debuginforocky-upgrade-perl-fcgi-debugsource | Jul 31, 2025 | Jul 29, 2025 | |
| Ubuntu | ubuntu-pro-upgrade-libfcgi-perlubuntu-upgrade-libfcgi-perl | May 26, 2025 | May 16, 2025 |
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