CPANSA-FCGI-2025-40907: FCGI vulnerability
| Publisher | giterlizzi | Document category | csaf_security_advisory |
|---|---|---|---|
| Initial release date | 2025-05-16T00:00:00 | Engine | CSAF Perl Toolkit 0.25 |
| Current release date | 2025-05-16T00:00:00 | Build Date | |
| Current version | 1 | Status | final |
| CVSS v3.1 Base Score | 5.3 | Severity | |
| Original language | Language | en | |
| Also referred to | |||
Vulnerability 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.
Vulnerabilities
CVE-2025-40907
Vulnerability DescriptionFCGI 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.
| Weakness | CWE-190 : Integer Overflow or Wraparound |
|---|
Product status
Known affected
| Product | Score | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| FCGI greater than or equal 0.44 |
|
giterlizzi
Namespace: https://github.com/giterlizzi/
gdt@cpan.org
References
- CPANSA-FCGI-2025-40907 JSON self
https://raw.githubusercontent.com/giterlizzi/perl-CPANSA-CSAF/develop/csaf/white/2025/cpansa-fcgi-2025-40907.json - http://www.openwall.com/lists/oss-security/2025/04/23/4 external
http://www.openwall.com/lists/oss-security/2025/04/23/4 - https://github.com/FastCGI-Archives/fcgi2/issues/67 external
https://github.com/FastCGI-Archives/fcgi2/issues/67 - https://github.com/FastCGI-Archives/fcgi2/releases/tag/2.4.5 external
https://github.com/FastCGI-Archives/fcgi2/releases/tag/2.4.5 - https://github.com/perl-catalyst/FCGI/issues/14 external
https://github.com/perl-catalyst/FCGI/issues/14 - https://patch-diff.githubusercontent.com/raw/FastCGI-Archives/fcgi2/pull/74.patch external
https://patch-diff.githubusercontent.com/raw/FastCGI-Archives/fcgi2/pull/74.patch - https://www.synacktiv.com/en/publications/cve-2025-23016-exploiting-the-fastcgi-library external
https://www.synacktiv.com/en/publications/cve-2025-23016-exploiting-the-fastcgi-library - CVE-2025-40907 (NVD) external
https://nvd.nist.gov/vuln/detail/CVE-2025-40907
Revision history
| Version | Date of the revision | Summary of the revision |
|---|---|---|
| 1 | Fri May 16 00:00:00 2025 | First release |
Sharing rules
TLP:WHITE
For the TLP version see: https://www.first.org/tlp/