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ExploitedIn CISA KEVFix available

CVE-2021-4102

Exploitation confirmed. First attested on 2021-12-15 by CISA-ADP, CISA KEV, GCVE · kevintel.

  • Published2022-02-11
  • Fixed in96.0.4664.110
  • WeaknessCWE-416

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2021-12-15Added to the CISA KEV catalogCISA KEV
  2. 2021-12-15Listed as exploited by GCVEGCVE
  3. 2021-12-15Exploitation first reportedCISA KEV
  4. 2022-02-1123:15CVE publishedNVD
  5. 2025-01-2916:49SSVC exploitation set to activeCISA-ADP

Observed activity

isMalicious corpus · updated 2026-11-03 15:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2021-4102?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2021-4102?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Google chrome
BranchAffectedFixed in
96.0< 96.0.4664.11096.0.4664.110

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA1 product

As Chrome, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • Google Chrome
    Affected
    • < 96.0.4664.110fixed in 96.0.4664.110custom

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2022-02-11

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • chromiumSUSE:Package Hub 15 SP3all versions · fixed in 96.0.4664.110-bp153.2.48.1
  • chromiumopenSUSE:Tumbleweedall versions · fixed in 96.0.4664.110-1.1
  • chromiumopenSUSE:Tumbleweedall versions · fixed in 113.0.5672.92-1.1
  • chromiumopenSUSE:Leap 15.3all versions · fixed in 96.0.4664.110-bp153.2.48.1
  • chromiumopenSUSE:Leap 15.2all versions · fixed in 96.0.4664.110-lp152.2.143.1
  • chromiumDebian:14all versions · fixed in 97.0.4692.71-0.1
  • chromiumDebian:13all versions · fixed in 97.0.4692.71-0.1
  • chromiumDebian:12all versions · fixed in 97.0.4692.71-0.1

6 more package ranges on OSV.dev

Vendor advisories

  • CVE-2021-4102 Red Hat Product Security

    chromium-browser: Use after free in V8

Full record on NVD

Fix

  1. Update Google chrome to 96.0.4664.110
  2. CISA’s required action: Apply updates per vendor instructions.due 2021-12-29

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

CISA Known Exploited Vulnerability

Date Added
2021-12-15
Patch Due Date
2021-12-29
Ransomware Use
Unknown
Required Action
Apply updates per vendor instructions.

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published
2022-02-11
Last Modified
2026-06-17
NVD status
Analyzed
GitHub Advisory
GHSA-vjvx-2q28-pjv2

Frequently asked questions

What is 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.

Is CVE-2021-4102 actively exploited?

Yes. CVE-2021-4102 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2021-12-29.

What is the CVSS score for CVE-2021-4102?

CVE-2021-4102 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

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Sources for this record