CVE-2022-46340 is a stack corruption vulnerability in X.Org's XTest extension, specifically within the swap handler for the XTestFakeInput request when processing GenericEvents larger than 32 bytes. This flaw impacts Debian, Fedora, Red Hat, and X.Org, potentially leading to local privilege escalation on privileged X servers or remote code execution via SSH X forwarding, though it does not affect systems with matching client/server byte order. With a CVSS score of 8.8 (High), it presents a significant risk due to its low attack complexity and high impact on confidentiality, integrity, and availability. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or notable community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
1.20.4CPE matchmatch criteria | cpe:2.3:a:x.org:x_server:1.20.4:*:*:*:*:*:*:* | ||
36CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:* | ||
37CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:* | ||
11.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 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.