CVE-2021-30633 in Google and Fedora Project Products
Published on October 8, 2021
Known Exploited Vulnerability
This Google Chrome Use-After-Free Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Google Chrome Use-After-Free vulnerability.
The following remediation steps are recommended / required by November 17, 2021: Apply updates per vendor instructions.
Vulnerability Analysis
CVE-2021-30633 can be exploited with network access, requires user interaction. This vulnerability is considered to have a low attack complexity. This vulnerability is known to be actively exploited by threat actors. The potential impact of an exploit of this vulnerability is considered to be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.
Weakness Type
What is a Dangling pointer Vulnerability?
Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.
CVE-2021-30633 has been classified to as a Dangling pointer vulnerability or weakness.
Products Associated with CVE-2021-30633
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Affected Versions
Google Chrome:- Version unspecified and below 93.0.4577.82 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.