CVE-2019-18389
7.8
HIGH
CVSS 3.1
EPSS 0.27%
Description
A heap-based buffer overflow in the vrend_renderer_transfer_write_iov function in vrend_renderer.c in virglrenderer through 0.8.0 allows guest OS users to cause a denial of service, or QEMU guest-to-host escape and code execution, via VIRGL_CCMD_RESOURCE_INLINE_WRITE commands.
How to fix CVE-2019-18389
To remediate CVE-2019-18389, upgrade the affected package to a fixed version below.
- Alpine/virglrenderer—upgrade to 0.8.1-r0 or later
- —upgrade to 0.8.1-1 or later
Is CVE-2019-18389 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 0.8.1-r0
- from 0, < 0.8.1-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |