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K000162097: NGINX map directive and regex matching vulnerability CVE-2026-42533

🗓️ 15 Jul 2026 13:44:02Reported by f5Type 
f5
 f5
🔗 my.f5.com👁 17 Views

NGINX map regex bug can cause heap overflow leading to DoS or code execution (CVE-2026-42533).

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Rows per page
Vulners
Node
OR
f5nginx_plusRange37.0.0.137.0.2.1
f5nginx_plusRangeR33R36
f5nginx_open_sourceRange1.31.21.31.3
f5nginx_open_sourceRange1.30.01.30.3
f5nginx_instance_managerRange2.17.02.22.1
f5wafRange5.9.05.13.3nginx
f5nginx_app_protect_wafRange5.2.05.8.0
f5nginx_app_protect_wafRange4.11.04.16.0
f5nginx_gateway_fabricRange2.0.02.6.6
f5nginx_gateway_fabricRange1.3.01.6.2
f5nginx_ingress_controllerRange5.0.05.5.2
f5nginx_ingress_controllerRange4.0.04.0.1
f5nginx_ingress_controllerRange3.5.03.7.2

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21 Jul 2026 18:09Current
8.5High risk
Vulners AI Score8.5
CVSS 3.18.1
CVSS 49.2
EPSS0.03596
SSVC
17