CVE-2019-18389

Name: CVE-2019-18389
Creator: NVD / NIST
Published: 2019-12-23T16:15:11.167+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.44%

Last modified Jun 17, 2026

CVE-2019-18389 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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.. EPSS estimates a 0.44% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.44%

35.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Virglrenderer Project	Virglrenderer	<= 0.8.0
Opensuse	Leap	15.1
Redhat	Enterprise Linux	8.0
Debian	Debian Linux	10.0

References

http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00028.htmlMailing List, Third Party Advisory
https://access.redhat.com/security/cve/cve-2019-18389Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1765577Issue Tracking, Patch, Third Party Advisory
https://gitlab.freedesktop.org/virgl/virglrenderer/commit/cbc8d8b75be360236cada63784046688aeb6d921Patch, Third Party Advisory
https://gitlab.freedesktop.org/virgl/virglrenderer/merge_requests/314/diffs?commit_id=9c280a28651507e6ef87b17b90d47b6af3a4ab7dPatch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/12/msg00017.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00028.htmlMailing List, Third Party Advisory
https://access.redhat.com/security/cve/cve-2019-18389Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1765577Issue Tracking, Patch, Third Party Advisory
https://gitlab.freedesktop.org/virgl/virglrenderer/commit/cbc8d8b75be360236cada63784046688aeb6d921Patch, Third Party Advisory
https://gitlab.freedesktop.org/virgl/virglrenderer/merge_requests/314/diffs?commit_id=9c280a28651507e6ef87b17b90d47b6af3a4ab7dPatch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/12/msg00017.htmlMailing List, Third Party Advisory

Timeline

Published: Dec 23, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-18389?

How severe is CVE-2019-18389?

CVE-2019-18389 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.44% probability of exploitation in the next 30 days.

How do I fix CVE-2019-18389?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-18389?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST