medium
6.5
CWE
20
Advisory Published
CVE Published
Updated

CVE-2021-21221: Insufficient validation of untrusted input in Mojo

First published: Fri Apr 02 2021(Updated: )

Insufficient validation of untrusted input in Mojo in Google Chrome prior to 90.0.4430.72 allowed a remote attacker who had compromised the renderer process to leak cross-origin data via a crafted HTML page.

Credit: chrome-cve-admin@google.com Guang Gong Alpha LabQihoo 360

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)<90.0.4430.72
90.0.4430.72
Google Chrome (Trace Event)<90.0.4430.72
Debian=10.0
Fedora=32
Fedora=33
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-2021-21221?

    CVE-2021-21221 has been classified as a high severity vulnerability due to its potential to leak sensitive cross-origin data.

  • How do I fix CVE-2021-21221?

    To mitigate CVE-2021-21221, update Google Chrome to version 90.0.4430.72 or later.

  • Which versions of Google Chrome are affected by CVE-2021-21221?

    CVE-2021-21221 affects all versions of Google Chrome prior to version 90.0.4430.72.

  • Can CVE-2021-21221 be exploited remotely?

    Yes, CVE-2021-21221 can be exploited by a remote attacker who has compromised the renderer process of Google Chrome.

  • What impact does CVE-2021-21221 have on users?

    CVE-2021-21221 allows attackers to leak cross-origin data, potentially compromising user privacy and sensitive information.

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