Vulnerability · Published Feb 22, 2021 · Assigned by Chrome
CVE-2021-21157
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 9.5% (higher than 95% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)8.8High
Exploit odds (30 days)9.5%top 4.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Use after free in Web Sockets in Google Chrome on Linux prior to 88.0.4324.182 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_git20200401-r0 | ALPINE-CVE-2021-21157 |
| Alpine:v3.21 | qt5-qtwebengine | 5.15.3_git20200401-r0 | ALPINE-CVE-2021-21157 |
| Alpine:v3.22 | qt5-qtwebengine | 5.15.3_git20200401-r0 | ALPINE-CVE-2021-21157 |
| Alpine:v3.23 | qt5-qtwebengine | 5.15.3_git20200401-r0 | ALPINE-CVE-2021-21157 |
| Debian:12 | chromium | 88.0.4324.182-1 | DEBIAN-CVE-2021-21157 |
| Debian:13 | chromium | 88.0.4324.182-1 | DEBIAN-CVE-2021-21157 |
| Debian:14 | chromium | 88.0.4324.182-1 | DEBIAN-CVE-2021-21157 |
Affected products (as reported)
References
- https://chromereleases.googleblog.com/2021/02/stable-channel-update-for-desktop_16.html x_refsource_MISC
- https://crbug.com/1170657 x_refsource_MISC
- FEDORA-2021-aa764a8531 vendor-advisory, x_refsource_FEDORA
- FEDORA-2021-c88a96bd4b vendor-advisory, x_refsource_FEDORA
- GLSA-202104-08 vendor-advisory, x_refsource_GENTOO