CVE-2021-38016: Insufficient policy enforcement in background fetch

Reference Links

• https://security-tracker.debian.org/tracker/CVE-2021-38016
• https://chromereleases.googleblog.com/2021/11/stable-channel-update-for-desktop.html (Advisory)
• https://crbug.com/1244289
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3W46HRT2UVHWSLZB6JZHQF6JNQWKV744/
• https://www.debian.org/security/2022/dsa-5046
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3W46HRT2UVHWSLZB6JZHQF6JNQWKV744/

Parent vulnerabilities

(Appears in the following advisories)

• 2471449198019300311

Peer vulnerabilities

(Found alongside the following vulnerabilities)

• CVE-2021-38008
• CVE-2021-38009
• CVE-2021-38006
• CVE-2021-38007
• CVE-2021-38005
• CVE-2021-38010
• CVE-2021-38011
• CVE-2021-38012
• CVE-2021-38013
• CVE-2021-38014
• CVE-2021-38015
• CVE-2021-38017
• CVE-2021-38018
• CVE-2021-38019
• CVE-2021-38020
• CVE-2021-38021
• CVE-2021-4316
• CVE-2021-38022

Frequently Asked Questions

• What is the severity of CVE-2021-38016?

  CVE-2021-38016 has a medium severity rating, indicating a potential risk to users of affected versions of Chrome and Chromium.

• How do I fix CVE-2021-38016?

  To remediate CVE-2021-38016, users should update Google Chrome or Chromium to version 96.0.4664.45 or later.

• Which versions of Chrome are affected by CVE-2021-38016?

  Chrome versions prior to 96.0.4664.45 are vulnerable to CVE-2021-38016.

• What type of attack does CVE-2021-38016 enable?

  CVE-2021-38016 allows a remote attacker to bypass the same-origin policy via a specially crafted HTML page.

• Which platforms are impacted by CVE-2021-38016?

  CVE-2021-38016 affects Google Chrome and Chromium on various operating systems, including Debian and Fedora.