cve-2026-42945

CVE-2026-42945 — NGINX Rewrite Heap Overrun: Analysis, DoS & Credited RCE Port Security research on CVE-2026-42945 CVSS 4.0 9.2 CRITICAL: a heap buffer overrun in NGINX's script engine where a rewrite with arguments in the replacement e.g. rewrite ^. /new?c=1; leaves the engine's isargs flag set...