Out-of-bounds Read in Google Chrome
CVE-2021-30511
Out of bounds read in Tab Groups in Google Chrome prior to 90.0.4430.212 allowed an attacker who convinced a user to install a malicious extension to perform an out of bounds memory read via a crafted HTML page.
Vulnerability class: Buffer Overflow
EPSS: 0.009 (55.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H.
Affected products
- Google Chrome — versions unspecified
- Fedoraproject Fedora — versions 33, 34
Weakness classification (CWE)
References
- chrome-cve-admin@google.com (x_refsource_MISC, Release Notes, Vendor Advisory)
- chrome-cve-admin@google.com (Exploit, Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)
- chrome-cve-admin@google.com (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
- chrome-cve-admin@google.com (x_refsource_FEDORA, vendor-advisory)
- chrome-cve-admin@google.com (x_refsource_FEDORA, vendor-advisory)
Frequently asked questions
- What is CVE-2021-30511?
- CVE-2021-30511 is a high-severity vulnerability in Google Chrome, classified under Out-of-bounds Read. CVSS score: 8.1/10. Published 2021-06-04.
- How severe is CVE-2021-30511?
- High severity. CVSS v3 base score is 8.1 out of 10.