CVE-2019-20808
6.5
MEDIUM
CVSS 3.1
EPSS 0.12%
Description
In QEMU 4.1.0, an out-of-bounds read flaw was found in the ATI VGA implementation. It occurs in the ati_cursor_define() routine while handling MMIO write operations through the ati_mm_write() callback. A malicious guest could abuse this flaw to crash the QEMU process, resulting in a denial of service.
How to fix CVE-2019-20808
To remediate CVE-2019-20808, upgrade the affected package to a fixed version below.
- Debian/qemu—upgrade to 1:4.2-1 or later
Is CVE-2019-20808 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1:4.2-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H |