8.8
CVE-2021-21148
- EPSS 37.79%
- Published 09.02.2021 16:15:12
- Last modified 05.02.2025 13:56:56
- Source chrome-cve-admin@google.com
- CVE-Watchlists
- Open
LoginHeap buffer overflow in V8 in Google Chrome prior to 88.0.4324.150 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Data is provided by the National Vulnerability Database (NVD)
03.11.2021: CISA Known Exploited Vulnerabilities (KEV) Catalog
Google Chromium V8 Heap Buffer Overflow Vulnerability
VulnerabilityGoogle Chromium V8 Engine contains a heap buffer overflow 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.
DescriptionApply updates per vendor instructions.
Required actions| Type | Source | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 37.79% | 0.971 |
| Source | Base Score | Exploit Score | Impact Score | Vector string |
|---|---|---|---|---|
| nvd@nist.gov | 8.8 | 2.8 | 5.9 |
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
|
| nvd@nist.gov | 6.8 | 8.6 | 6.4 |
AV:N/AC:M/Au:N/C:P/I:P/A:P
|
| 134c704f-9b21-4f2e-91b3-4a467353bcc0 | 8.8 | 2.8 | 5.9 |
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
|
CWE-787 Out-of-bounds Write
The product writes data past the end, or before the beginning, of the intended buffer.