CVE-2019-11838

CRITICAL

njs < 0.3.1 - Heap-Based Buffer Overflow in Array.prototype.splice

Title source: llm
STIX 2.1

Description

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

References (1)

Core 1
Core References
Exploit, Issue Tracking, Third Party Advisory x_refsource_misc
https://github.com/nginx/njs/issues/153

Scores

CVSS v3 9.8
EPSS 0.0039
EPSS Percentile 60.1%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-787
Status published
Products (1)
f5/njs < 0.3.1
Published May 09, 2019
Tracked Since Feb 18, 2026