HIGH

CVE-2021-37979

CVSS v3

8.8

HIGH

EPSS Score

1.8 %

exploit probability, as of 2026-10-19

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

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.

Vendor advisories

CVE-2021-37979 Red Hat Product Security
chromium-browser: Heap buffer overflow in WebRTC

Full record on NVD

Description

heap buffer overflow in WebRTC in Google Chrome prior to 94.0.4606.81 allowed a remote attacker who convinced a user to browse to a malicious website to potentially exploit heap corruption via a crafted HTML page.

Technical details

Published: 2021-11-02

Frequently asked questions

What is CVE-2021-37979?

Is CVE-2021-37979 actively exploited?

Active exploitation of CVE-2021-37979 has not been confirmed. Its EPSS score was 1.8% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-37979?

CVE-2021-37979 has a CVSS v3 base score of 8.8 (HIGH severity).

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