Vulnerability Description
Insufficient data validation in V8 in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to potentially perform out of bounds memory access via a crafted HTML page.
CVSS Score
8.8
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Chrome | < 88.0.4324.96 | |
| Microsoft | Edge Chromium | < 88.0.705.50 |
Related Weaknesses (CWE)
References
- https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_Release NotesVendor Advisory
- https://crbug.com/1161357Permissions RequiredThird Party Advisory
- https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21118PatchThird Party Advisory
- https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_Release NotesVendor Advisory
- https://crbug.com/1161357Permissions RequiredThird Party Advisory
- https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21118PatchThird Party Advisory
FAQ
What is CVE-2021-21118?
CVE-2021-21118 is a vulnerability with a CVSS score of 8.8 (HIGH). Insufficient data validation in V8 in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to potentially perform out of bounds memory access via a crafted HTML page.
How severe is CVE-2021-21118?
CVE-2021-21118 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-21118?
Check the references section above for vendor advisories and patch information. Affected products include: Google Chrome, Microsoft Edge Chromium.