Post by The Hacker News

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🛑 WARNING - A new critical NGINX vulnerability that has existed for 15-years lets unauthenticated attackers crash worker processes with crafted HTTP requests. CVE-2026-42533 affects specific regex map configurations. F5 says it may also allow pre-auth RCE if ASLR is disabled or bypassed. Read how the bug works: https://lnkd.in/gyTw6Vpb

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