Google · Chromium
CVE-2021-37976
Google Chromium Information Disclosure Vulnerability
What it is
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.
CISA: Google Chromium contains an information disclosure vulnerability within the core memory component that allows a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.
What to do
Apply updates per vendor instructions.
Deadline for US federal agencies: November 17, 2021
- Added to the CISA list
- November 3, 2021
- Published
- October 8, 2021
- Severity
- Medium 6.5 CVSS 3.1
- Chance of attacks in the next 30 days (EPSS)
- 20% in the top 2.6% of all known vulnerabilities
- Weakness
- CWE-862
- More details
- NVD · CVE.org · CISA
All references (6)
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/D63JZ3ROXCUH…
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FRFXUDH46PFV…
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RNARCF5HEZK7…
- 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
More exploited flaws from Google
| Added | Vulnerability | Product | Severity | Attack chance |
|---|---|---|---|---|
| Feb 17, 2026 | CSS Use-After-Free | Chromium | High 8.8 | 55% |
| Dec 12, 2025 | Out of Bounds Memory Access | Chromium | High 8.8 | 55% |
| Jul 22, 2025 | ANGLE and GPU Improper Input Validation | Chromium | High 8.8 | 11% |
| May 13, 2024 | Visuals Use-After-Free | Chromium | Critical 9.6 | 8.3% |
| Nov 3, 2021 | Race Condition | Chromium | High 8.8 | 24% |
| Oct 27, 2026 | Unchecked Return Value | Brotli | Critical 9.2 | 55% |
| Sep 16, 2026 | Improper Authorization | Pixel | High 8.8 | 0.6% |
| Sep 9, 2026 | Out of Bounds Write | Chromium V8 | High 8.8 | 3.5% |
Sources: Known Exploited Vulnerabilities (CISA, public domain), CVE records (cve.org) and EPSS (FIRST). The chance of attacks is the EPSS estimate that someone will try to exploit the flaw in the next 30 days.