Use After Free in Google Android
CVE-2021-30528
Use after free in WebAuthentication in Google Chrome on Android prior to 91.0.4472.77 allowed a remote attacker who had compromised the renderer process of a user who had saved a credit card in their Google account to potentially exploit heap corruption via a crafted HTML page.
Vulnerability class: Use-After-Free
EPSS: 0.013 (68.5th 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
- Google Android
- Google Chrome — versions unspecified
- Fedoraproject Fedora — versions 33, 34
Weakness classification (CWE)
Public proof-of-concept exploits
References
- chrome-cve-admin@google.com (Release Notes, Vendor Advisory)
- chrome-cve-admin@google.com (Exploit, Patch, Third Party Advisory, Issue Tracking)
- chrome-cve-admin@google.com (vendor-advisory, Third Party Advisory)
- chrome-cve-admin@google.com (vendor-advisory)
- chrome-cve-admin@google.com (vendor-advisory)
- chrome-cve-admin@google.com
Frequently asked questions
- What is CVE-2021-30528?
- CVE-2021-30528 is a high-severity vulnerability in Google Android, classified under Use After Free. CVSS score: 8.8/10. Published 2021-06-07.
- How severe is CVE-2021-30528?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2021-30528 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.