Vulnerability · Published Apr 30, 2021 · Assigned by Chrome
CVE-2021-21233
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 28.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Heap buffer overflow in ANGLE in Google Chrome on Windows prior to 90.0.4430.93 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 | qt5-qtwebengine | 5.15.3_git20210510-r0 | ALPINE-CVE-2021-21233 |
| Alpine:v3.21 | qt5-qtwebengine | 5.15.3_git20210510-r0 | ALPINE-CVE-2021-21233 |
| Alpine:v3.22 | qt5-qtwebengine | 5.15.3_git20210510-r0 | ALPINE-CVE-2021-21233 |
| Alpine:v3.23 | qt5-qtwebengine | 5.15.3_git20210510-r0 | ALPINE-CVE-2021-21233 |
| Debian:12 | chromium | 90.0.4430.93-1 | DEBIAN-CVE-2021-21233 |
| Debian:13 | chromium | 90.0.4430.93-1 | DEBIAN-CVE-2021-21233 |
| Debian:14 | chromium | 90.0.4430.93-1 | DEBIAN-CVE-2021-21233 |
Affected products (as reported)
References
- https://chromereleases.googleblog.com/2021/04/stable-channel-update-for-desktop_26.html x_refsource_MISC
- https://crbug.com/1182937 x_refsource_MISC
- GLSA-202104-08 vendor-advisory, x_refsource_GENTOO
- DSA-4911 vendor-advisory, x_refsource_DEBIAN
- FEDORA-2021-c3754414e7 vendor-advisory, x_refsource_FEDORA
- FEDORA-2021-ff893e12c5 vendor-advisory, x_refsource_FEDORA
- FEDORA-2021-35d2bb4627 vendor-advisory, x_refsource_FEDORA