CVE-2021-37979

moderate-risk
Published 2021-11-02

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.

Do I need to act?

~
1.7% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.8/10 High
NETWORK / LOW complexity

Affected Products (4)

Affected Vendors

Debian Google Fedoraproject

References (10)

Vendor Advisory https://chromereleases.googleblog.com/2021/10/stable-channel-update-for-desktop....
Permissions Required https://crbug.com/1247260
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...
Third Party Advisory https://www.debian.org/security/2022/dsa-5046
Exploit https://www.talosintelligence.com/vulnerability_reports/TALOS-2021-1372
Vendor Advisory https://chromereleases.googleblog.com/2021/10/stable-channel-update-for-desktop....
Permissions Required https://crbug.com/1247260
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...
Third Party Advisory https://www.debian.org/security/2022/dsa-5046
Exploit https://www.talosintelligence.com/vulnerability_reports/TALOS-2021-1372
44
/ 100
moderate-risk
Severity 30/34 · Critical
Exploitability 4/34 · Minimal
Exposure 10/34 · Low