CVE-2021-37985

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-11-02 · updated 2026-06-17
Weakness: CWE-416

Description

Use after free in V8 in Google Chrome prior to 95.0.4638.54 allowed a remote attacker who had convinced a user to allow for connection to debugger to potentially exploit heap corruption via a crafted HTML page.

Affected products

Debian Linux: 10.0, 11.0
Google Chrome: before 95.0.4638.54 — fixed in 95.0.4638.54

How to fix

Upgrade to a fixed version: Google Chrome 95.0.4638.54. Check the vendor advisory for mitigations.

References

https://chromereleases.googleblog.com/2021/10/stable-channel-update-for-desktop_19.html
https://crbug.com/1241860
https://www.debian.org/security/2022/dsa-5046
https://chromereleases.googleblog.com/2021/10/stable-channel-update-for-desktop_19.html
https://crbug.com/1241860
https://www.debian.org/security/2022/dsa-5046

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