CVE-2026-42533

CVE-2026-42533 — nginx two-pass capture clobbering Pre-auth heap overflow + info leak in nginx 0.9.6–1.30.3 / mainline ≤1.31.2 complex-value script engine; CVSS 9.2. Two trigger surfaces share the same root cause: HTTP regex location + regex map and stream sslpreread + SNI + regex map. In-depth...