Vulnerability · Published Mar 9, 2021 · Assigned by Chrome
CVE-2021-21163
Medium 6.5
In plain English
A medium-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 0.9% (higher than 61% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)6.5Medium
Exploit odds (30 days)0.9%top 38.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Insufficient data validation in Reader Mode in Google Chrome on iOS prior to 89.0.4389.72 allowed a remote attacker to leak cross-origin data via a crafted HTML page and a malicious server.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | chromium | 89.0.4389.72-r0 | ALPINE-CVE-2021-21163 |
| Alpine:v3.21 | chromium | 89.0.4389.72-r0 | ALPINE-CVE-2021-21163 |
| Alpine:v3.22 | chromium | 89.0.4389.72-r0 | ALPINE-CVE-2021-21163 |
| Alpine:v3.23 | chromium | 89.0.4389.72-r0 | ALPINE-CVE-2021-21163 |
| Alpine:v3.24 | chromium | 89.0.4389.72-r0 | ALPINE-CVE-2021-21163 |
| Debian:12 | chromium | 89.0.4389.82-1 | DEBIAN-CVE-2021-21163 |
| Debian:13 | chromium | 89.0.4389.82-1 | DEBIAN-CVE-2021-21163 |
| Debian:14 | chromium | 89.0.4389.82-1 | DEBIAN-CVE-2021-21163 |
Affected products (as reported)
References
- https://chromereleases.googleblog.com/2021/03/stable-channel-update-for-desktop.html x_refsource_MISC
- https://crbug.com/1111239 x_refsource_MISC
- FEDORA-2021-c88a96bd4b vendor-advisory, x_refsource_FEDORA
- FEDORA-2021-4740239e28 vendor-advisory, x_refsource_FEDORA
- FEDORA-2021-78547312f2 vendor-advisory, x_refsource_FEDORA
- DSA-4886 vendor-advisory, x_refsource_DEBIAN
- GLSA-202104-08 vendor-advisory, x_refsource_GENTOO