CVE-2021-37968
MEDIUMGoogle Chrome < 94.0.4606.54 - Cross-Origin Data Leak via Background Fetch API
Title source: llmDescription
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 (5)
Core 5
Core References
Release Notes, Vendor Advisory x_refsource_misc
https://chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop_21.html
Permissions Required, Vendor Advisory x_refsource_misc
https://crbug.com/1245053
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4DDW7HAHTS3SDVXBQUY4SURELO5D4X7R/
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PM7MOYYHJSWLIFZ4TPJTD7MSA3HSSLV2/
Third Party Advisory vendor-advisory
x_refsource_debian
https://www.debian.org/security/2022/dsa-5046
Scores
CVSS v3
4.3
EPSS
0.0052
EPSS Percentile
66.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Details
CWE
CWE-203
Status
published
Products (5)
debian/debian_linux
10.0
debian/debian_linux
11.0
fedoraproject/fedora
33
fedoraproject/fedora
35
google/chrome
< 94.0.4606.54
Published
Oct 08, 2021
Tracked Since
Feb 18, 2026