Vulnerability Details : CVE-2021-21122
Use after free in Blink in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Vulnerability category: Memory Corruption
Exploit prediction scoring system (EPSS) score for CVE-2021-21122
Probability of exploitation activity in the next 30 days: 0.35%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 69 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2021-21122
| 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
|
nvd@nist.gov |
|
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
|
nvd@nist.gov |
CWE ids for CVE-2021-21122
-
Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-21122
-
https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.html
Chrome Releases: Stable Channel Update for DesktopRelease Notes;Vendor Advisory
-
https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21122
CVE-2021-21122 - Security Update Guide - Microsoft - Chromium CVE-2021-21122: Use after free in BlinkThird Party Advisory
-
https://crbug.com/1162131
Inloggen - Google AccountsPermissions Required;Third Party Advisory
Products affected by CVE-2021-21122
- cpe:2.3:a:microsoft:edge_chromium:*:*:*:*:*:*:*:*
- cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*