Vulnerability · Published Jan 8, 2021 · Assigned by Chrome
CVE-2021-21110
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 3.1% (higher than 88% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code. Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)9.6Critical
Exploit odds (30 days)3.1%top 12.2% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack tooling1Public PoC
Official description
Use after free in safe browsing in Google Chrome prior to 87.0.4280.141 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | chromium | 87.0.4280.141-0.1 | DEBIAN-CVE-2021-21110 |
| Debian:13 | chromium | 87.0.4280.141-0.1 | DEBIAN-CVE-2021-21110 |
| Debian:14 | chromium | 87.0.4280.141-0.1 | DEBIAN-CVE-2021-21110 |
Affected products (as reported)
References
- https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop.html x_refsource_MISC
- https://crbug.com/1152451 x_refsource_MISC
- GLSA-202101-05 vendor-advisory, x_refsource_GENTOO
- DSA-4832 vendor-advisory, x_refsource_DEBIAN
- FEDORA-2021-79926272ce vendor-advisory, x_refsource_FEDORA
- FEDORA-2021-d9faeff8eb vendor-advisory, x_refsource_FEDORA