Double Free in Google Chrome

CVE-2021-30535

Double free in ICU in Google Chrome prior to 91.0.4472.77 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Vulnerability class: Double Free

EPSS: 0.011 (63.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-30535?
CVE-2021-30535 is a high-severity vulnerability in Google Chrome, classified under Double Free. CVSS score: 8.8/10. Published 2021-06-07.
How severe is CVE-2021-30535?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2021-30535 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.