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CVE-2021-30563 High

Confirmed as exploited

CVE-2021-30563

Type Confusion in V8 in Google Chrome prior to 91.0.4472.164 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Exploit probability 8.9%
Published August 3, 2021
Required by November 17, 2021
Last source change March 14, 2026

01 / ACTION

Required action

Apply updates per vendor instructions.

02 / AFFECTED SOFTWARE

Affected packages

Unknown Unknown

03 / CONNECTIONS

Connected vulnerabilities

related OPENSUSE-SU-2024:10681-1
related OPENSUSE-SU-2024:12948-1

04 / EVIDENCE

Source records

Cybersecurity and Infrastructure Security Agency Known Exploited Vulnerabilities CVE-2021-30563

Google Chromium V8 Engine contains a type confusion 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.

View original source
Open Source Vulnerabilities CVE-2021-30563

Type Confusion in V8 in Google Chrome prior to 91.0.4472.164 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

View original source

05 / REFERENCES

Further evidence