CVE-2021-21120

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Published Feb 9, 2021 CVSS 3.1 · 8.8 High EPSS 7.4% KEV · Not listed

Description

Use after free in WebSQL in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Google

Chrome

affected

Version	Status	Constraints
`unspecified`	affected	< 88.0.4324.96

Configuration 1 [-]

OR	cpe:2.3:a:google:chrome::::::::
	cpe:2.3:a:microsoft:edge_chromium::::::::

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
Debian DSA	DSA-4846-1	chromium security update
EUVD	EUVD-2021-8511	Use after free in WebSQL in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction Required

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

Exploit prediction score: 7.4% (7.420% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.html
https://crbug.com/1160602
https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21120

History

No history.

Subscriptions

Google Chrome

Microsoft Edge Chromium

Weaknesses

CWE-416

Sources

CVE record Updated: Aug 3, 2024, 6:01 PM

Status: PUBLISHED
Assigner: Chrome
Published: Feb 9, 2021, 1:55 PM
Updated: Aug 3, 2024, 6:01 PM
Reserved: Dec 21, 2020, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 3:34 AM

Status: Modified
Published: Feb 9, 2021, 2:15 PM
Modified: Jun 17, 2026, 3:34 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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