medium
4.3
Advisory Published
CVE Published
Updated

CVE-2021-37965: Inappropriate implementation in Background Fetch API

First published: Fri Aug 13 2021(Updated: )

Inappropriate implementation in Background Fetch API in Google Chrome prior to 94.0.4606.54 allowed a remote attacker to leak cross-origin data via a crafted HTML page.

Credit: chrome-cve-admin@google.com Maurice Dauer

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<94.0.4606.54
94.0.4606.54
Google Chrome<94.0.4606.54
Fedoraproject Fedora=33
Fedoraproject Fedora=35
Debian=10.0
Debian=11.0

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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-2021-37965?

    CVE-2021-37965 is classified as a high-severity vulnerability due to the potential for remote attackers to leak sensitive cross-origin data.

  • How do I fix CVE-2021-37965?

    To fix CVE-2021-37965, update your Google Chrome or Chromium to version 94.0.4606.54 or later.

  • Which versions of Chrome are affected by CVE-2021-37965?

    CVE-2021-37965 affects Google Chrome versions prior to 94.0.4606.54.

  • Can CVE-2021-37965 be exploited remotely?

    Yes, CVE-2021-37965 can be exploited remotely through a crafted HTML page.

  • Is CVE-2021-37965 specific to Chrome only?

    While CVE-2021-37965 primarily affects Google Chrome, it may also impact Chromium versions below 94.0.4606.54.

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