8.8
CWE
119 787
Advisory Published
CVE Published
Updated

CVE-2021-21128: Heap buffer overflow in Blink

First published: Thu Oct 15 2020(Updated: )

Heap buffer overflow in Blink in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Credit: chrome-cve-admin@google.com Liang Dong

Affected SoftwareAffected VersionHow to fix
Google Chrome (Trace Event)<88.0.4324.96
88.0.4324.96
Google Chrome (Trace Event)<88.0.4324.96
Microsoft Edge (Chromium-based)<88.0.705.50

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Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the severity of CVE-2021-21128?

    CVE-2021-21128 has a medium severity rating, indicating a moderate risk of exploitation.

  • How do I fix CVE-2021-21128?

    To fix CVE-2021-21128, update Google Chrome or Microsoft Edge Chromium to version 88.0.4324.96 or higher.

  • What type of vulnerability is CVE-2021-21128?

    CVE-2021-21128 is a heap buffer overflow vulnerability found in the Blink rendering engine.

  • Who is affected by CVE-2021-21128?

    Users of Google Chrome versions prior to 88.0.4324.96 and Microsoft Edge Chromium versions prior to 88.0.705.50 are vulnerable.

  • Can CVE-2021-21128 be exploited remotely?

    Yes, CVE-2021-21128 allows for potential remote exploitation through a crafted HTML page.

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