CVE-2017-12186 is a critical vulnerability affecting xorg-x11-server versions prior to 1.19.5, specifically impacting Debian and X.Org X servers. The flaw stems from missing length validation in the X-Resource extension, allowing a malicious X client to trigger a server crash or potentially execute arbitrary code. With a CVSS score of 9.8 (CRITICAL), this vulnerability is remotely exploitable with low attack complexity, posing a significant risk of complete compromise (confidentiality, integrity, and availability). Despite its severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
8.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* | ||
9.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | ||
< 1.19.5CPE matchmatch criteria | cpe:2.3:a:x.org:x_server:*:*:*:*:*:*:*:* |
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.