Secure your Debian 11 Bullseye systems: Urgent DLA-4488-1 fixes critical ModSecurity Core Rule Set (CRS) vulnerabilities CVE-2023-38199 & CVE-2026-21876. Learn how these WAF bypass flaws enable content-type confusion and multipart request exploits. Get expert mitigation steps, patch details, and ensure robust web application firewall integrity against sophisticated attacks. Update now.



















