Vulnerability Description
Heap buffer overflow in V8 in Google Chrome prior to 90.0.4430.85 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page.
CVSS Score
6.5
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Chrome | < 90.0.4430.85 | |
| Debian | Debian Linux | 10.0 |
| Fedoraproject | Fedora | 32 |
Related Weaknesses (CWE)
References
- https://chromereleases.googleblog.com/2021/04/stable-channel-update-for-desktop_Release NotesThird Party Advisory
- https://crbug.com/1194046Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://security.gentoo.org/glsa/202104-08Third Party Advisory
- https://www.debian.org/security/2021/dsa-4906Third Party Advisory
- https://chromereleases.googleblog.com/2021/04/stable-channel-update-for-desktop_Release NotesThird Party Advisory
- https://crbug.com/1194046Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://security.gentoo.org/glsa/202104-08Third Party Advisory
- https://www.debian.org/security/2021/dsa-4906Third Party Advisory
FAQ
What is CVE-2021-21222?
CVE-2021-21222 is a vulnerability with a CVSS score of 6.5 (MEDIUM). Heap buffer overflow in V8 in Google Chrome prior to 90.0.4430.85 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page.
How severe is CVE-2021-21222?
CVE-2021-21222 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-21222?
Check the references section above for vendor advisories and patch information. Affected products include: Google Chrome, Debian Debian Linux, Fedoraproject Fedora.