CVE-2021-4059

Description

Insufficient data validation in loader in Google Chrome prior to 96.0.4664.93 allowed a remote attacker to leak cross-origin data via a crafted HTML page.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.31%
Vendor Advisory fedoraproject.org Vendor Advisory debian.org Vendor Advisory gentoo.org Vendor Advisory googleblog.com
Affected: Google Chrome
Published at:
Updated at:

References

Link Tags
https://chromereleases.googleblog.com/2021/12/stable-channel-update-for-desktop.html vendor advisory
https://crbug.com/1270990 permissions required
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3W46HRT2UVHWSLZB6JZHQF6JNQWKV744/ vendor advisory
https://www.debian.org/security/2022/dsa-5046 third party advisory vendor advisory
https://security.gentoo.org/glsa/202208-25 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-4059?
CVE-2021-4059 has been scored as a medium severity vulnerability.
How to fix CVE-2021-4059?
To fix CVE-2021-4059, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-4059 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-4059 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-4059?
CVE-2021-4059 affects Google Chrome.
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