Actively exploited · Published Nov 23, 2021 · Assigned by Chrome
CVE-2021-38003
High 8.8 Exploited
In plain English
A high-severity security flaw in Chrome from Google. Attackers are actively exploiting it in the wild (listed by CISA on November 3, 2021). The chance it is exploited in the next 30 days is estimated at 38.6% (higher than 99% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code. Fixed versions are available - upgrade the affected package.
CISA guidance
Apply updates per vendor instructions.
Federal agencies must remediate by Nov 17, 2021.
Official description
Inappropriate implementation in V8 in Google Chrome prior to 95.0.4638.69 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_git20211127-r0 | ALPINE-CVE-2021-38003 |
| Alpine:v3.21 | qt5-qtwebengine | 5.15.3_git20211127-r0 | ALPINE-CVE-2021-38003 |
| Alpine:v3.22 | qt5-qtwebengine | 5.15.3_git20211127-r0 | ALPINE-CVE-2021-38003 |
| Alpine:v3.23 | qt5-qtwebengine | 5.15.3_git20211127-r0 | ALPINE-CVE-2021-38003 |
| Debian:12 | chromium | 97.0.4692.71-0.1 | DEBIAN-CVE-2021-38003 |
| Debian:13 | chromium | 97.0.4692.71-0.1 | DEBIAN-CVE-2021-38003 |
| Debian:14 | chromium | 97.0.4692.71-0.1 | DEBIAN-CVE-2021-38003 |
Affected products (as reported)
Weakness: CWE-755 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
References
- https://chromereleases.googleblog.com/2021/10/stable-channel-update-for-desktop_28.html x_refsource_MISC
- https://crbug.com/1263462 x_refsource_MISC
- FEDORA-2021-6a292e2cf4 vendor-advisory, x_refsource_FEDORA
- DSA-5046 vendor-advisory, x_refsource_DEBIAN
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-38003 government-resource