A heap-based buffer overflow in nginx’s ngx_http_rewrite_module, disclosed as CVE-2026-42945 and nicknamed NGINX Rift, allows an unauthenticated attacker to crash a worker process, or potentially achieve remote code execution on hosts with ASLR disabled, by sending a single crafted HTTP request. If you operate an internet-facing nginx instance, especially one with non-trivial rewrite rules in […]