CVE-2018-15853 describes an endless recursion vulnerability in xkbcomp/expr.c within xkbcommon and libxkbcommon versions prior to 0.8.1. This flaw allows a local attacker to crash systems using these libraries by providing a specially crafted keymap file that triggers a boolean negation. The vulnerability has a CVSS score of 5.5 (Medium), indicating a low attack complexity and requiring local access, leading to high availability impact. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 0.8.1CPE matchmatch criteria | cpe:2.3:a:xkbcommon:libxkbcommon:*:*:*:*:*:*:*:* | ||
< 0.8.1CPE matchmatch criteria | cpe:2.3:a:xkbcommon:xkbcommon:*:*:*:*:*:*:*:* | ||
14.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* | ||
16.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* | ||
18.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 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.