Vulnerability · Published Feb 9, 2021 · Assigned by Chrome
CVE-2021-21146
Critical 9.6
In plain English
A critical-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 67% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)9.6Critical
Exploit odds (30 days)1.1%top 33.2% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Use after free in Navigation in Google Chrome prior to 88.0.4324.146 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | qt5-qtwebengine | 5.15.3_git20200401-r0 | ALPINE-CVE-2021-21146 |
| Alpine:v3.21 | qt5-qtwebengine | 5.15.3_git20200401-r0 | ALPINE-CVE-2021-21146 |
| Alpine:v3.22 | qt5-qtwebengine | 5.15.3_git20200401-r0 | ALPINE-CVE-2021-21146 |
| Alpine:v3.23 | qt5-qtwebengine | 5.15.3_git20200401-r0 | ALPINE-CVE-2021-21146 |
| Debian:12 | chromium | 88.0.4324.146-1 | DEBIAN-CVE-2021-21146 |
| Debian:13 | chromium | 88.0.4324.146-1 | DEBIAN-CVE-2021-21146 |
| Debian:14 | chromium | 88.0.4324.146-1 | DEBIAN-CVE-2021-21146 |
Affected products (as reported)
References
- https://chromereleases.googleblog.com/2021/02/stable-channel-update-for-desktop.html x_refsource_MISC
- https://crbug.com/1161705 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