Vulnerability Details : CVE-2021-21118
Insufficient data validation in V8 in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to potentially perform out of bounds memory access via a crafted HTML page.
Vulnerability category: Overflow
Exploit prediction scoring system (EPSS) score for CVE-2021-21118
Probability of exploitation activity in the next 30 days: 0.30%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 66 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2021-21118
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|
|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
[email protected] |
|
8.8
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
[email protected] |
CWE ids for CVE-2021-21118
-
The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.Assigned by: [email protected] (Primary)
References for CVE-2021-21118
-
https://crbug.com/1161357
Permissions Required;Third Party Advisory
-
https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.html
Release Notes;Vendor Advisory
-
https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21118
Patch;Third Party Advisory
Products affected by CVE-2021-21118
- cpe:2.3:a:microsoft:edge_chromium:*:*:*:*:*:*:*:*
- cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*