⤷ Title: CVE-2026-42533: NGINX Heap Overflow Enables RCE and ASLR Bypass, Public PoC Released
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𐀪 Author: Do Son
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ⴵ Time: Tue, 28 Jul 2026 13:01:47 +0000
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⌗ Tags: #Vulnerability Report #ASLR Bypass #CVE_2026_42533 #heap overflow #map directive #nginx #NGINX Plus #proof_of_concept #Remote Code Execution #ssl_preread #stream module
════════════════════════
𐀪 Author: Do Son
════════════════════════
ⴵ Time: Tue, 28 Jul 2026 13:01:47 +0000
════════════════════════
⌗ Tags: #Vulnerability Report #ASLR Bypass #CVE_2026_42533 #heap overflow #map directive #nginx #NGINX Plus #proof_of_concept #Remote Code Execution #ssl_preread #stream module
Daily CyberSecurity
CVE-2026-42533: NGINX Heap Overflow Enables RCE and ASLR Bypass, Public PoC Released
TL;DR: A public proof-of-concept now targets CVE-2026-42533, an NGINX heap overflow rated CVSS 9.2. The bug lets an unauthenticated attacker corrupt worker memory through crafted requests. Researc…