CVE-2019-18391

Name: CVE-2019-18391
Creator: NVD / NIST
Published: 2019-12-23T16:15:11.32+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.36%

Last modified Jun 17, 2026

CVE-2019-18391 is a medium-severity vulnerability rated 5.5/10 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 via VIRGL_CCMD_RESOURCE_INLINE_WRITE commands.. EPSS estimates a 0.36% 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 via VIRGL_CCMD_RESOURCE_INLINE_WRITE commands.

Metrics

CVSS 3.1

5.5/10

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

EPSS Probability

0.36%

28.2th 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-2019-18391Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1765589Issue Tracking, Patch, Third Party Advisory
https://gitlab.freedesktop.org/virgl/virglrenderer/commit/2abeb1802e3c005b17a7123e382171b3fb665971Patch, Third Party Advisory
https://gitlab.freedesktop.org/virgl/virglrenderer/merge_requests/314/diffs?commit_id=8c9cfb4e425542e96f0717189fe4658555baaf08Third 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-2019-18391Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1765589Issue Tracking, Patch, Third Party Advisory
https://gitlab.freedesktop.org/virgl/virglrenderer/commit/2abeb1802e3c005b17a7123e382171b3fb665971Patch, Third Party Advisory
https://gitlab.freedesktop.org/virgl/virglrenderer/merge_requests/314/diffs?commit_id=8c9cfb4e425542e96f0717189fe4658555baaf08Third 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-2019-18391?

How severe is CVE-2019-18391?

CVE-2019-18391 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.36% probability of exploitation in the next 30 days.

How do I fix CVE-2019-18391?

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-2019-18391?

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

Scan your code now

Source: NVD / NIST