Actively exploited · Published Feb 11, 2022 · Assigned by Chrome
CVE-2021-4102
High 8.8 Exploited
In plain English
A high-severity use-after-free in Chrome from Google. Attackers are actively exploiting it in the wild (listed by CISA on December 15, 2021). The chance it is exploited in the next 30 days is estimated at 7.8% (higher than 95% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)7.8%top 5.3% of all CVEs
Exploited in the wildYesCISA KEV since Dec 15, 2021
Attack toolingNoneno public tooling known
CISA guidance
Apply updates per vendor instructions.
Federal agencies must remediate by Dec 29, 2021.
Official description
Use after free in V8 in Google Chrome prior to 96.0.4664.110 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | chromium | 97.0.4692.71-0.1 | DEBIAN-CVE-2021-4102 |
| Debian:13 | chromium | 97.0.4692.71-0.1 | DEBIAN-CVE-2021-4102 |
| Debian:14 | chromium | 97.0.4692.71-0.1 | DEBIAN-CVE-2021-4102 |
Affected products (as reported)
Weakness: CWE-416 · 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/2021/12/stable-channel-update-for-desktop_13.html x_refsource_MISC
- https://crbug.com/1278387 x_refsource_MISC
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-4102 government-resource