CVE-2019-11838 is a critical heap-based buffer overflow vulnerability affecting njs through version 0.3.1, a JavaScript engine used in NGINX. This flaw, specifically in Array.prototype.splice due to mishandling of array expansion, allows for remote code execution. With a CVSS score of 9.8 (CRITICAL), it presents a severe risk with low attack complexity and no user interaction required, potentially leading to complete compromise of confidentiality, integrity, and availability. While there are no known public exploits in Metasploit or ExploitDB, the vulnerability has garnered significant community discussion, indicating awareness among security researchers.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 0.3.1CPE matchmatch criteria | cpe:2.3:a:f5:njs:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.