CVE-2021-21220 (GCVE-0-2021-21220)
Vulnerability from cvelistv5
Published
2021-04-26 00:00
Modified
2025-10-21 23:25
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- Insufficient validation of untrusted input
Summary
Insufficient validation of untrusted input in V8 in Google Chrome prior to 89.0.4389.128 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
References
CISA Known exploited vulnerability
Data from the Known Exploited Vulnerabilities Catalog
Date added: 2021-11-03
Due date: 2021-11-17
Required action: Apply updates per vendor instructions.
Used in ransomware: Unknown
Notes: https://nvd.nist.gov/vuln/detail/CVE-2021-21220
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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