| Package | libfcgi |
|---|---|
| Version | 2.4.0-8.4+deb9u1 (stretch), 2.4.0-10+deb10u1 (buster) |
| Related CVEs | CVE-2025-23016 |
An issue has been found in libfcgi, a FastCGI bridge from CGI. The issue is related to an integer overflow (and resultant heap-based buffer overflow) via crafted nameLen or valueLen values in data to the IPC socket.
For Debian 10 buster, these problems have been fixed in version 2.4.0-10+deb10u1.
For Debian 9 stretch, these problems have been fixed in version 2.4.0-8.4+deb9u1.
We recommend that you upgrade your libfcgi packages.
Further information about Extended LTS security advisories can be found in the dedicated section of our website.