CVE-2019-11839

PoC —

CVSS 3.0

9.8 critical

EPSS

2%p75

Published

May 9, 2019 (May 9, 2019)

Modified

Jun 17, 2026

Description

njs through 0.3.1, used in NGINX, has a heap-based buffer overflow in Array.prototype.push after a resize, related to njs_array_prototype_push in njs/njs_array.c, because of njs_array_expand size mishandling.

Vendors: f5
Products: njs
Weakness: CWE-787
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (1.6%)

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