⚠ Actively exploited
Added to CISA KEV on 2021-12-15. Federal agencies required to patch by 2021-12-29. Required action: Apply updates per vendor instructions..

CVE-2021-4102Use After Free in Google Chrome

CWE-416Use After Free12 documents11 sources
Severity
8.8HIGHNVD
EPSS
5.5%
top 9.79%
CISA KEV
KEV
Added 2021-12-15
Due 2021-12-29
Exploit
Exploited in wild
Active exploitation observed
Timeline
KEV addedDec 15
KEV dueDec 29
PublishedFeb 11
Latest updateFeb 23
CISA Required Action: Apply updates per vendor instructions.

Description

Use after free in V8 in Google Chrome prior to 96.0.4664.110 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9

Affected Packages6 packages

CVEListV5google/chromeunspecified96.0.4664.110
NVDgoogle/chrome< 96.0.4664.110
debiandebian/chromium< chromium 97.0.4692.71-0.1 (bookworm)
Debianchromium/chromium< 97.0.4692.71-0.1~deb11u1+3

🔴Vulnerability Details

4
GHSA
GHSA-vjvx-2q28-pjv2: Use after free in V8 in Google Chrome prior to 962022-02-13
OSV
CVE-2021-4102: Use after free in V8 in Google Chrome prior to 962022-02-11
VulnCheck
Google Chromium V8 Use-After-Free Vulnerability2021
Project0
Project Zero RCA: CVE-2021-4102: Chrome incorrect node elision in Turbofan leads to unexpected WriteBarrier elision

📋Vendor Advisories

4
CISA
Google Chromium V8 Use-After-Free Vulnerability2021-12-15
Microsoft
Chromium: CVE-2021-4102 Use after free in V82021-12-14
Chrome
Stable Channel Update for Desktop: CVE-2021-41012021-12-13
Debian
CVE-2021-4102: chromium - Use after free in V8 in Google Chrome prior to 96.0.4664.110 allowed a remote at...2021

🕵️Threat Intelligence

3
Qualys
Managing CISA Known Exploited Vulnerabilities with Qualys VMDR | Qualys2022-02-23
Talos
Threat Source Newsletter (Dec. 16, 2021)2021-12-10
Talos
Threat Source Newsletter (Dec. 16, 2021)2021-12-10