CVE-2021-21207 — Vulnetix

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CVE-2021-21207 PUBLISHED

Use after free in IndexedDB in Google Chrome prior to 90.0.4430.72 allowed an attacker who convinced a user to install a malicious extension to potentially perform a sandbox escape via a crafted Chrome Extension.

EPSS 0.22% · 44.1th percentile

Risk Scores

EPSS Score

0.22%

44.1th percentile

Affected Products

Vendor	Product	Versions
Ubuntu:18.04:LTS	chromium-browser	0, 61.0.3163.100-0ubuntu1.1378, 62.0.3202.62-0ubuntu0.17.10.1380
Ubuntu:16.04:LTS	chromium-browser	76.0.3809.100-0ubuntu0.16.04.1, 77.0.3865.90-0ubuntu0.16.04.1, 78.0.3904.70-0ubuntu0.16.04.2

Timeline

Apr 26, 2021 CVE Published
Apr 27, 2021 EPSS Score
Jun 30, 2021 EPSS Score
Aug 30, 2021 EPSS Score
Oct 31, 2021 EPSS Score
Jan 1, 2022 EPSS Score
Mar 3, 2022 EPSS Score
Apr 1, 2022 EPSS Score
May 4, 2022 EPSS Score
Jul 5, 2022 EPSS Score
Sep 6, 2022 EPSS Score
Nov 6, 2022 EPSS Score

References

https://ubuntu.com/security/CVE-2021-21207 third-party-advisory
https://www.cve.org/CVERecord?id=CVE-2021-21207 third-party-advisory

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