CVE-2019-18390 Denial of service in n/a

What is CVE-2019-18390?

CVE-2019-18390 is a high-severity denial of service vulnerability in Debian Debian Linux, published on 23 Dec 2019. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

An out-of-bounds read in the vrend_blit_need_swizzle function in vrend_renderer.c in virglrenderer through 0.8.0 allows guest OS users to cause a denial of service via VIRGL_CCMD_BLIT commands.

Weakness: CWE-125

Which versions are affected by CVE-2019-18390?

It affects 4 products.

Products include Debian Debian Linux, Opensuse Leap, Redhat Enterprise Linux, Virglrenderer Project Virglrenderer.

How do I fix CVE-2019-18390?

Upgrade to a fixed version.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2019-18390 being exploited?

There is no known exploitation of CVE-2019-18390 in the wild and no public exploit code.

Other vulnerabilities in Debian Debian Linux

• CVE-2015-3306 ProFTPD Improper Access Control Exploited Critical 10.0
• CVE-2025-49113 RoundCube Webmail Deserialization of Untrusted Data Exploited Critical 9.9
• CVE-2026-24061 GNU InetUtils Argument Injection Exploited Critical 9.8
• CVE-2025-39682 Linux Kernel Improper Check for Unusual or Exceptional Conditions Exploited Critical 9.8
• CVE-2024-9680 Mozilla Firefox Use-After-Free Exploited Critical 9.8

All Debian Debian Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as ALPINE-CVE-2019-18390, DEBIAN-CVE-2019-18390, GHSA-gp3m-wg52-v97j, UBUNTU-CVE-2019-18390.