CVE-2019-11837 is a segmentation fault vulnerability affecting njs through version 0.3.1, a JavaScript engine used in NGINX. Specifically, it occurs in the String.prototype.toBytes function when processing negative arguments, linked to nxt_utf8_next and njs_string_offset. With a CVSS score of 7.5 (HIGH), this vulnerability is remotely exploitable with low attack complexity, leading to a denial of service (availability impact). There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| 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:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.