What is CVE-2021-4102?

CVE-2021-4102 is a vulnerability in Google Chrome. Published 2022-02-11.

Is CVE-2021-4102 known to be exploited?

Yes. CVE-2021-4102 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2021-12-15), indicating it is being actively exploited. 2 public proof-of-concept repositories are indexed.

Vulnerability in Google Chrome

CVE-2021-4102

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.

EPSS: 0.055 (90.4th percentile) — read the EPSS interpretation.

Affected products

Google Chrome — versions unspecified

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2021-12-15. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2021-12-29.

Required action: Apply updates per vendor instructions.

Public proof-of-concept exploits

References

chromereleases.googleblog.com/2021/12/stable-channel-update-for-desktop_13.html (x_refsource_MISC)
crbug.com/1278387 (x_refsource_MISC)

Frequently asked questions

What is CVE-2021-4102?: CVE-2021-4102 is a vulnerability in Google Chrome. Published 2022-02-11.
Is CVE-2021-4102 known to be exploited?: Yes. CVE-2021-4102 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2021-12-15), indicating it is being actively exploited. 2 public proof-of-concept repositories are indexed.