CVE-2018-7858
5.5
MEDIUM
CVSS 3.1
EPSS 0.06%
Description
Quick Emulator (aka QEMU), when built with the Cirrus CLGD 54xx VGA Emulator support, allows local guest OS privileged users to cause a denial of service (out-of-bounds access and QEMU process crash) by leveraging incorrect region calculation when updating VGA display.
How to fix CVE-2018-7858
To remediate CVE-2018-7858, upgrade the affected package to a fixed version below.
- Debian/qemu—upgrade to 1:2.12~rc3+dfsg-1 or later
Is CVE-2018-7858 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1:2.12~rc3+dfsg-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |