CVE-2021-37965

MEDIUM 4.3CVE-2021-37965 · Published 08/10/2021 · updated 17/06/2026

In short

CVE-2021-37965 is a MEDIUM (CVSS 4.3) vulnerability affecting chrome (google).
Chance of exploitation in the next 30 days (EPSS): 1.2%, higher than 68.6% of all vulnerabilities.
Fix: update to 94.0.4606.54 or later.

Package	Affected versions	Patched versions
chrome google	`< 94.0.4606.54`	`94.0.4606.54`

Description

Inappropriate implementation in Background Fetch API in Google Chrome prior to 94.0.4606.54 allowed a remote attacker to leak cross-origin data via a crafted HTML page.

References

chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop_21.html · Release Notes
crbug.com/1239709 · Permissions Required
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4DDW7HAHTS3SDVXBQUY4SURELO5D4X7R
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PM7MOYYHJSWLIFZ4TPJTD7MSA3HSSLV2
debian.org/security/2022/dsa-5046 · Third Party Advisory

More vulnerabilities in chrome

See all →

Running one of these products? Scan your site to see whether it exposes a vulnerable version.

Scan my site free

Package

Affected versions

Patched versions

chrome

google

< 94.0.4606.54

94.0.4606.54

More vulnerabilities in chrome

See all →