critical
9.6
CWE
416
Advisory Published
CVE Published
Updated

CVE-2021-21226: Use after free in navigation

First published: Sun Apr 11 2021(Updated: )

Use after free in navigation in Google Chrome prior to 90.0.4430.85 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.

Credit: chrome-cve-admin@google.com Brendon Tiszka supporting the EFF @btiszka

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)<90.0.4430.85
90.0.4430.85
Google Chrome<90.0.4430.85
Debian Linux=10.0
Red Hat Fedora=32
Red Hat Fedora=33
Red Hat Fedora=34

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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-2021-21226?

    CVE-2021-21226 has a high severity rating due to its potential for sandbox escape and exploitation.

  • How do I fix CVE-2021-21226?

    To fix CVE-2021-21226, update Google Chrome to version 90.0.4430.85 or later.

  • Which versions of Google Chrome are affected by CVE-2021-21226?

    CVE-2021-21226 affects Google Chrome versions prior to 90.0.4430.85.

  • Can CVE-2021-21226 be exploited by remote attackers?

    Yes, CVE-2021-21226 can be exploited by remote attackers through a specially crafted HTML page.

  • Is CVE-2021-21226 specific to certain operating systems?

    CVE-2021-21226 is relevant to multiple operating systems, including Debian and Fedora, where affected versions of Chrome are installed.

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