HIGH · 8.8

CVE-2021-21157

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.

Vulnerability Description

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.

CVSS Score

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
MicrosoftEdge< 88.0.705.74
MicrosoftEdge Chromium< 88.0.4324.182
FedoraprojectFedora32
GoogleChrome< 88.0.4324.182
LinuxLinux Kernel-

Related Weaknesses (CWE)

References

FAQ

What is CVE-2021-21157?

CVE-2021-21157 is a vulnerability with a CVSS score of 8.8 (HIGH). 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.

How severe is CVE-2021-21157?

CVE-2021-21157 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-21157?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Edge, Microsoft Edge Chromium, Fedoraproject Fedora, Google Chrome, Linux Linux Kernel.