Search: “nginx”

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USN-8563-5: nginx vulnerability

Ubuntu ships improved nginx fix for CVE-2026-42533 after earlier patch regression; flaw allows remote crash and possible code execution.

USN-8563-5 provides a better fix for CVE-2026-42533 after the original fix from USN-8563-1 was backed out in USN-8563-2 because it caused a regression. The flaw stems from nginx incorrectly handling certain map directives using regex matching and capture variables, allowing a remote attacker to crash nginx, causing denial of service, or possibly execute arbitrary code. The original advisory also described a use-after-free in the ngx_http_ssi_module when configured with Server-Side Includes, proxy_pass, and proxy buffering.

Ubuntu Security NoticesSep 14, 11:35 UTC · 3d agoAdvisory CVE-2026-42533

NGINX Shares Mitigations for Zero

The Hacker NewsApr 12, 09:19 UTC · Apr 12, 2022Advisory

F5 security advisory (AV26-878)

Canada's Cyber Centre relayed an F5 advisory (AV26-878) covering vulnerabilities in BIG-IP, BIG-IQ, NGINX components, and APM clients.

The Canadian Centre for Cyber Security published advisory AV26-878 noting F5 vulnerabilities affecting BIG-IP all modules prior to 17.1.3.4, 17.5.1.8, 21.0.0.3, and 21.1.0.1, plus BIG-IQ prior to 8.4.2.1, NGINX Gateway Fabric, NGINX Ingress Controller, NGINX JavaScript 9.9, and APM clients. F5 issued an out-of-band security notification (K000162872) on September 2, 2026. Administrators are encouraged to review the linked advisory and apply updates as they become available.

Canadian Centre for Cyber SecuritySep 3, 14:05 UTC · 13d agoAdvisory

Microsoft September 2026 Patch Tuesday fixes 966 flaws, 2 zero-days

Microsoft's September 2026 Patch Tuesday fixes a record 966 flaws, including two Windows zero-days actively exploited to gain SYSTEM privileges.

Microsoft's September 2026 Patch Tuesday addresses a record 966 vulnerabilities, including 105 rated Critical, 81 of them remote code execution bugs. Two zero-days were actively exploited: a Windows Update Stack link-following flaw and a Windows ALPC heap-based buffer overflow, both allowing local elevation to SYSTEM privileges. The ALPC flaw was reported by Volexity and Proofpoint researchers, while the Update Stack flaw was credited to Romain Deperne and the Microsoft Threat Intelligence Centre. Microsoft shared no details on how the flaws were exploited in attacks.

BleepingComputerSep 8, 18:18 UTC · 8d agoAdvisory in the wildCVE-2026-69805 CVE-2026-58649 CVE-2026-69806+27 CVEs1

Expert found a DoS flaw in Windows Servers running IIS

Security AffairsFeb 22, 06:24 UTC · Feb 22, 2019Advisory