SecurityThe Hacker Newsabout 22 hours ago
Critical NGINX Flaw Allows Remote Code Execution
1 min read
F5 patched CVE-2026-42533, a critical heap buffer overflow in nginx's script engine, on July 15 in nginx 1.30.4 and 1.31.3. The flaw lets unauthenticated attackers crash workers or execute code under specific regex-map configurations. F5 rates it 9.2 on CVSS v4. Every nginx version from 0.9.6 through 1.31.2 is vulnerable.
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