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UNKNOWNKNOWN EXPLOITED

CVE-2021-21166

Google Chromium Race Condition Vulnerability

Published
2021-11-03
Modified
2026-07-31
Sources
cisa-kev

Summary

Google Chromium contains a race condition vulnerability that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.

References

Includes data from the CISA Known Exploited Vulnerabilities catalog.

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