What’s Vulnerable › Vulnerabilities

CVE-2021-30503

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-04-13 · updated 2026-06-17

Description

The unofficial GLSL Linting extension before 1.4.0 for Visual Studio Code allows remote code execution via a crafted glslangValidatorPath in the workspace configuration.

Affected products

• Glsl Linting Project Glsl Linting: before 1.4.0 — fixed in 1.4.0

How to fix

Upgrade to a fixed version: Glsl Linting Project Glsl Linting 1.4.0. Check the vendor advisory for mitigations.

References

• https://github.com/hsimpson/vscode-glsllint/commit/3effba525bdff7d4257e66a6815ff956d2bce8ac
• https://marketplace.visualstudio.com/items/CADENAS.vscode-glsllint/changelog#:~:text=1.4.x
• https://vuln.ryotak.me/advisories/27
• https://github.com/hsimpson/vscode-glsllint/commit/3effba525bdff7d4257e66a6815ff956d2bce8ac
• https://marketplace.visualstudio.com/items/CADENAS.vscode-glsllint/changelog#:~:text=1.4.x
• https://vuln.ryotak.me/advisories/27

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