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CVE-2026-42533

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CVSS

9.2

Reports

3

First seen

Jul 16, 2026

Last seen

Jul 19, 2026

Affected product

Nginx (versions prior to 1.30.4 stable / 1.31.3 mainline)

Recent reports

Critical NGINX Heap Buffer Overflow Vulnerability (CVE-2026-42533) Allows RCE

The Hacker NewsJul 19, 2026 High

Multiple Vulnerabilities in F5 Products (BIG-IP, NGINX)

GovCERT.HKJul 17, 2026 High

Multiple Vulnerabilities in Nginx Products (GovCERT.HK Alert A26-07-27)

GovCERT.HKJul 16, 2026

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