CVE-2019-18390: Debian Linux

High severity, CVSS 7.1. EPSS: 0.3% chance of exploitation in the next 30 days.

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.

Affected products

• Debian Debian Linux: version 10.0 only
• Opensuse Leap: version 15.1 only
• Red Hat Enterprise Linux: version 8.0 only
• Virglrenderer Project Virglrenderer: up to and including 0.8.0

Published 2019-12-23. Last modified 2026-06-17.