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Improper Restriction of Rendered UI Layers or Frames The advisory has been revoked - it doesn't affect any version of package chromium-browser  (opens in a new tab)

Threat Intelligence

EPSS
1.08% (64th percentile)

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  • Snyk IDSNYK-UBUNTU2010-CHROMIUMBROWSER-1059019
  • published12 Jan 2021
  • disclosed8 Jan 2021
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Introduced: 8 Jan 2021

CVE-2021-21111  (opens in a new tab)
CWE-1021  (opens in a new tab)

Amendment

The Ubuntu security team deemed this advisory irrelevant for Ubuntu:20.10.

NVD Description

Note: Versions mentioned in the description apply only to the upstream chromium-browser package and not the chromium-browser package as distributed by Ubuntu.

Insufficient policy enforcement in WebUI in Google Chrome prior to 87.0.4280.141 allowed an attacker who convinced a user to install a malicious extension to potentially perform a sandbox escape via a crafted Chrome Extension.