Use after free in web apps in Google Chrome prior to 96.0.4664.93 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted Chrome Extension.
Published 2021-12-23 01:15:09
Updated 2022-09-27 20:30:32
Source Chrome
View at NVD,   CVE.org
Vulnerability category: Memory Corruption

Exploit prediction scoring system (EPSS) score for CVE-2021-4052

Probability of exploitation activity in the next 30 days: 0.14%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 50 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2021-4052

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source
6.8
MEDIUM AV:N/AC:M/Au:N/C:P/I:P/A:P
8.6
6.4
NIST
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
NIST

CWE ids for CVE-2021-4052

  • 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-2021-4052

Products affected by CVE-2021-4052

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