CVE-2021-37976: Google Chromium Information Disclosure Vulnerability

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: yes — in CISA KEV since 2021-11-03
EPSS: 19.9% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2021-10-08 · updated 2026-06-17
Weakness: CWE-862

Description

Inappropriate implementation in Memory in Google Chrome prior to 94.0.4606.71 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page.

Affected products

Debian Linux: 10.0, 11.0
Fedoraproject Fedora: 33, 34, 35
Google Chrome: before 94.0.4606.71 — fixed in 94.0.4606.71

How to fix

Upgrade to a fixed version: Google Chrome 94.0.4606.71. Check the vendor advisory for mitigations.

References

https://chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop_30.html
https://crbug.com/1251787
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/D63JZ3ROXCUHP4CFWDHCPZNTGET7T34R/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FRFXUDH46PFVE75VQVWY6PYY5DK3S2XT/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RNARCF5HEZK7GJXZRN5TQ45AQDCRM2WO/
https://www.debian.org/security/2022/dsa-5046
https://chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop_30.html
https://crbug.com/1251787
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/D63JZ3ROXCUHP4CFWDHCPZNTGET7T34R/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FRFXUDH46PFVE75VQVWY6PYY5DK3S2XT/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RNARCF5HEZK7GJXZRN5TQ45AQDCRM2WO/
https://www.debian.org/security/2022/dsa-5046

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