Vulnerability · Published Aug 3, 2021 · Assigned by Chrome
CVE-2021-30562
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 1.3% (higher than 71% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)8.8High
Exploit odds (30 days)1.3%top 29.2% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Use after free in WebSerial in Google Chrome prior to 91.0.4472.164 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | chromium | 91.0.4472.164-r0 | ALPINE-CVE-2021-30562 |
| Alpine:v3.21 | chromium | 91.0.4472.164-r0 | ALPINE-CVE-2021-30562 |
| Alpine:v3.22 | chromium | 91.0.4472.164-r0 | ALPINE-CVE-2021-30562 |
| Alpine:v3.23 | chromium | 91.0.4472.164-r0 | ALPINE-CVE-2021-30562 |
| Alpine:v3.24 | chromium | 91.0.4472.164-r0 | ALPINE-CVE-2021-30562 |
| Debian:12 | chromium | 93.0.4577.82-1 | DEBIAN-CVE-2021-30562 |
| Debian:13 | chromium | 93.0.4577.82-1 | DEBIAN-CVE-2021-30562 |
| Debian:14 | chromium | 93.0.4577.82-1 | DEBIAN-CVE-2021-30562 |
Affected products (as reported)
References
- https://chromereleases.googleblog.com/2021/07/stable-channel-update-for-desktop.html x_refsource_MISC
- https://crbug.com/1220078 x_refsource_MISC