CVE-2016-7949 describes multiple critical buffer overflow vulnerabilities in the X.org libXrender library, specifically affecting the XvQueryAdaptors and XvQueryEncodings functions. These flaws allow a remote X server to execute out-of-bounds write operations by manipulating length fields, impacting various Fedora and X.org libXrender versions. With a CVSS score of 9.8 (CRITICAL), this vulnerability presents a severe risk, enabling full compromise of confidentiality, integrity, and availability without user interaction. While there is no known active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered significant community discussion and media coverage, indicating awareness of its potential impact.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 0.9.9CPE matchmatch criteria | cpe:2.3:a:x.org:libxrender:*:*:*:*:*:*:*:* | ||
24CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:24:*:*:*:*:*:*:* | ||
25CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:25:*:*:*:*:*:*:* |
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.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.