CVE-2021-21202 — Use After Free in Google Chrome

CWE-416 — Use After Free6 documents6 sources
Severity
8.6HIGHNVD
EPSS
0.2%
top 57.82%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
7
Google ChromeChromiumDebian Chromium+4 more
Timeline
PublishedApr 26
Latest updateMay 24

Description

Use after free in extensions in Google Chrome prior to 90.0.4430.72 allowed an attacker who convinced a user to install a malicious extension to potentially perform a sandbox escape via a crafted Chrome Extension.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:HExploitability: 1.8 | Impact: 6.0

Affected Packages6 packages

▶CVEListV5google/chromeunspecified — 90.0.4430.72
▶NVDgoogle/chrome< 90.0.4430.72
▶debiandebian/chromium< chromium 90.0.4430.72-1 (bookworm)
▶Debianchromium/chromium< 90.0.4430.72-1+3

Also affects: Debian Linux 10.0, Fedora 32, 33, 34

🔴Vulnerability Details

2
GHSA
GHSA-66mv-pjg8-2vc2: Use after free in extensions in Google Chrome prior to 90↗2022-05-24
▶
OSV
CVE-2021-21202: Use after free in extensions in Google Chrome prior to 90↗2021-04-26
▶

📋Vendor Advisories

3
Chrome
Stable Channel Update for Desktop: CVE-2021-21201↗2021-04-14
▶
Microsoft
Chromium: CVE-2021-21202 Use after free in extensions↗2021-04-13
▶
Debian
CVE-2021-21202: chromium - Use after free in extensions in Google Chrome prior to 90.0.4430.72 allowed an a...↗2021
▶