CVE-2021-30554highunder attackCWE-416

CVE-2021-30554: high-severity vulnerability in Google Chrome

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51Vexday Risk Score

Prioritize patching. It under exploitation confirmed by CISA.

ssvc Actcvss 8.8epss 7.4%
from disclosure to weapon
Published on NVDJul 2
CISA KEV+124d
What the vendors declare (VEX)

Official vendor statements in CSAF/VEX format: whether their product is affected, already fixed, or ruled out — and why. These are the vendor's assertions, not Vexday's judgment.

Red HatVEX document ↗
Not affected
1 product — because the vulnerable code is not present in the product
red_hat_products
Action required by CISAfederal deadline: 2021-11-17

Apply updates per vendor instructions.

In short

A flaw in Chrome's WebGL feature allows attackers to corrupt memory on your computer through a specially crafted webpage. This can crash your browser or potentially run malicious code.

Technical detail

Use-after-free vulnerability in WebGL renderer (CWE-416) in Chrome versions before 91.0.4472.114. Remote attacker can trigger heap corruption by serving a crafted HTML page; requires user to visit the malicious site. Impact includes denial of service and potential code execution with browser privileges.

Summary generated and translated by AI from the official description.

The full analysis of this CVE is available in Portuguese →

Use after free in WebGL in Google Chrome prior to 91.0.4472.114 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected products
Google · Chrome
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