high
8.8
CWE
416 119
Advisory Published
CVE Published
Updated

CVE-2021-21159: Heap buffer overflow in TabStrip

First published: Wed Jan 27 2021(Updated: )

Heap buffer overflow in TabStrip in Google Chrome prior to 89.0.4389.72 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Credit: chrome-cve-admin@google.com Khalil Zhani

Affected SoftwareAffected VersionHow to fix
debian/chromium
90.0.4430.212-1~deb10u1
116.0.5845.180-1~deb11u1
118.0.5993.70-1~deb11u1
116.0.5845.180-1~deb12u1
118.0.5993.70-1~deb12u1
118.0.5993.70-1
Google Chrome (Trace Event)<89.0.4389.72
89.0.4389.72
Google Chrome (Trace Event)<89.0.4389.72
Fedora=32
Fedora=33
Fedora=34
Debian=10.0

Remedy

https://crbug.com/1171049

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

  • What is the severity of CVE-2021-21159?

    CVE-2021-21159 is classified as a high severity vulnerability due to its potential for heap corruption exploitation.

  • How do I fix CVE-2021-21159?

    To fix CVE-2021-21159, upgrade Google Chrome to version 89.0.4389.72 or later.

  • What types of software are affected by CVE-2021-21159?

    CVE-2021-21159 affects Google Chrome versions prior to 89.0.4389.72 and some Fedora versions.

  • Is CVE-2021-21159 exploitable by remote attackers?

    Yes, CVE-2021-21159 can be exploited by remote attackers through crafted HTML pages.

  • What should I do if I am using an affected version of Chrome for CVE-2021-21159?

    If you are using an affected version of Chrome, you should update your browser immediately to mitigate CVE-2021-21159.

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