CVE-2021-1093 Denial of service in NVIDIA GPU Display Driver

What is CVE-2021-1093?

CVE-2021-1093 is a medium-severity denial of service vulnerability in Debian Debian Linux, published on 22 Jul 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

NVIDIA GPU Display Driver for Windows and Linux contains a vulnerability in firmware where the driver contains an assert() or similar statement that can be triggered by an attacker, which leads to an application exit or other behavior that is more severe than necessary, and may lead to denial of service or system crash.

Weakness: CWE-404

Which versions are affected by CVE-2021-1093?

It affects 2 products.

Products include Debian Debian Linux, Nvidia Gpu Display Driver.

How do I fix CVE-2021-1093?

Apply the vendor's patch.

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-2021-1093 being exploited?

There is no known exploitation of CVE-2021-1093 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 DEBIAN-CVE-2021-1093, GHSA-9q77-p3x6-935c, UBUNTU-CVE-2021-1093.