CVE-2016-9603 describes a critical heap buffer overflow vulnerability in QEMU's Cirrus CLGD 54xx VGA emulator, affecting products like Citrix, Debian, QEMU, and Red Hat. This flaw could be triggered when a VNC client updated its display after a guest-initiated VGA operation. With a CVSS score of 9.9 (Critical), a privileged guest user could crash the QEMU process or potentially execute arbitrary code on the host with QEMU's privileges. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 2.9.0CPE matchmatch criteria | cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:* | ||
6.0.2CPE matchmatch criteria | cpe:2.3:a:citrix:xenserver:6.0.2:*:*:*:*:*:*:* | ||
6.2.0CPE matchmatch criteria | cpe:2.3:a:citrix:xenserver:6.2.0:sp1:*:*:*:*:*:* | ||
6.5CPE matchmatch criteria | cpe:2.3:a:citrix:xenserver:6.5:sp1:*:*:*:*:*:* | ||
7.0CPE matchmatch criteria | cpe:2.3:a:citrix:xenserver:7.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 1.0 Bluesky, 0.5 Mastodon, and 1.6 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.