CVE-2017-2620
CRITICAL9.9EPSS 2.4%Published: 7/27/2018Modified: 4/28/2026
Description
Quick emulator (QEMU) before 2.8 built with the Cirrus CLGD 54xx VGA Emulator support is vulnerable to an out-of-bounds access issue. The issue could occur while copying VGA data in cirrus_bitblt_cputovideo. A privileged user inside guest could use this flaw to crash the QEMU process OR potentially execute arbitrary code on host with privileges of the QEMU process.
Affected packages (4)
- Alpine/qemufrom 0, < 2.8.1-r1
- Alpine/xenfrom 0, < 4.7.1-r5
- Debian/qemufrom 0, < 1:2.8+dfsg-3
- Debian/xenfrom 0, < 4.4.0-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.9 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |