CVE-2021-21157 - Vulnerability Details - OpenCVE

Use after free in Web Sockets in Google Chrome on Linux prior to 88.0.4324.182 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

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.

The EPSS score is 0.01551.

Key SSVC decision points have not yet been added.

Vendors	Products
Fedoraproject	Fedora
Google	Chrome
Linux	Linux Kernel
Microsoft	Edge Edge Chromium

Configuration 1 [-]

OR	cpe:2.3:a:microsoft:edge::::::::
	cpe:2.3:a:microsoft:edge_chromium::::::::

Configuration 2 [-]

OR	cpe:2.3:o:fedoraproject:fedora:32:::::::*
	cpe:2.3:o:fedoraproject:fedora:33:::::::*

Configuration 3 [-]

AND

cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*

cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*

No data.

No data.

Advisories

Source	ID	Title
Debian DSA	DSA-4858-1	chromium security update
EUVD	EUVD-2021-8548	Use after free in Web Sockets in Google Chrome on Linux prior to 88.0.4324.182 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://chromereleases.googleblog.com/2021/02/stable-channel-update-for-desktop_16.html
https://crbug.com/1170657
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BI6ZIJQYP5DFMYVX4J5OGOU2NQLEZ3SB/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FE5SIKEVYTMDCC5OSXGOM2KRPYLHYMQX/
https://security.gentoo.org/glsa/202104-08

History

Wed, 16 Jul 2025 13:45:00 +0000

Type	Values Removed	Values Added
Metrics	epss `{'score': 0.01147}`	epss `{'score': 0.01551}`

MITRE

Status: PUBLISHED

Assigner: Chrome

Published: 2021-02-22T21:20:37

Updated: 2024-08-03T18:01:14.307Z

Reserved: 2020-12-21T00:00:00

Link: CVE-2021-21157

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-02-22T22:15:12.927

Modified: 2024-11-21T05:47:40.663

Link: CVE-2021-21157

Redhat

No data.

OpenCVE Enrichment

No data.

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