Vulnerability · Published Feb 9, 2021 · Assigned by Chrome
CVE-2021-21143
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 0.8% (higher than 58% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)8.8High
Exploit odds (30 days)0.8%top 42.3% 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 88.0.4324.146 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 | 88.0.4324.146-1 | DEBIAN-CVE-2021-21143 |
| Debian:13 | chromium | 88.0.4324.146-1 | DEBIAN-CVE-2021-21143 |
| Debian:14 | chromium | 88.0.4324.146-1 | DEBIAN-CVE-2021-21143 |
Affected products (as reported)
References
- https://chromereleases.googleblog.com/2021/02/stable-channel-update-for-desktop.html x_refsource_MISC
- https://crbug.com/1163504 x_refsource_MISC
- FEDORA-2021-05afa65d39 vendor-advisory, x_refsource_FEDORA
- FEDORA-2021-7fb30b9381 vendor-advisory, x_refsource_FEDORA
- GLSA-202104-08 vendor-advisory, x_refsource_GENTOO