Vulnerability · Published Dec 23, 2021 · Assigned by Chrome
CVE-2021-4055
High 8.8
In plain English
A high-severity security flaw in Chrome from Google. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.1% (higher than 65% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)8.8High
Exploit odds (30 days)1.1%top 34.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Heap buffer overflow in extensions in Google Chrome prior to 96.0.4664.93 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted Chrome Extension.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | chromium | 97.0.4692.71-0.1 | DEBIAN-CVE-2021-4055 |
| Debian:13 | chromium | 97.0.4692.71-0.1 | DEBIAN-CVE-2021-4055 |
| Debian:14 | chromium | 97.0.4692.71-0.1 | DEBIAN-CVE-2021-4055 |
Affected products (as reported)
References
- https://chromereleases.googleblog.com/2021/12/stable-channel-update-for-desktop.html x_refsource_MISC
- https://crbug.com/1266510 x_refsource_MISC
- FEDORA-2021-6a292e2cf4 vendor-advisory, x_refsource_FEDORA
- DSA-5046 vendor-advisory, x_refsource_DEBIAN
- GLSA-202208-25 vendor-advisory, x_refsource_GENTOO