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CVE-2021-37971

Incorrect security UI in Web Browser UI in Google Chrome prior to 94.0.4606.54 allowed a remote...

4.3 MediumFix available

Incorrect security UI in Web Browser UI in Google Chrome prior to 94.0.4606.54 allowed a remote attacker to spoof the contents of the Omnibox (URL bar) via a crafted HTML page.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
None
Integrity
Low
Availability
None

Exploit likelihood

1.26%Up 0.2 points since Oct 9, 2021
90%50%10%1%

What each source reports

NVD Score used 4.3

Incorrect security UI in Web Browser UI in Google Chrome prior to 94.0.4606.54 allowed a remote attacker to spoof the contents of the Omnibox (URL bar) via a crafted HTML page.

Record
CVE-2021-37971
CVSS 3.1
4.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
CVSS 2.0
4.3 MediumAV:N/AC:M/Au:N/C:N/I:P/A:N
Weakness
CWE-1021
Updated
2026-11-02
CVE List No score

Incorrect security UI in Web Browser UI in Google Chrome prior to 94.0.4606.54 allowed a remote attacker to spoof the contents of the Omnibox (URL bar) via a crafted HTML page.

Record
CVE-2021-37971
Updated
2026-11-02
EUVDEUVD-2021-24444 No score

Incorrect security UI in Web Browser UI in Google Chrome prior to 94.0.4606.54 allowed a remote attacker to spoof the contents of the Omnibox (URL bar) via a crafted HTML page.

Record
EUVD-2021-24444
Updated
2026-11-03
GitHub AdvisoriesGHSA-mg5m-5fx8-79xh 4.3

Incorrect security UI in Web Browser UI in Google Chrome prior to 94.0.4606.54 allowed a remote...

Incorrect security UI in Web Browser UI in Google Chrome prior to 94.0.4606.54 allowed a remote attacker to spoof the contents of the Omnibox (URL bar) via a crafted HTML page.

Record
GHSA-mg5m-5fx8-79xh
CVSS 3.1
4.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Weakness
CWE-346, CWE-1021
Updated
2026-11-02
OSVALPINE-CVE-2021-37971 4.3

Incorrect security UI in Web Browser UI in Google Chrome prior to 94.0.4606.54 allowed a remote attacker to spoof the contents of the Omnibox (URL bar) via a crafted HTML page.

Record
ALPINE-CVE-2021-37971
CVSS 3.1
4.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Updated
2026-11-03
OSV 4.3

Incorrect security UI in Web Browser UI in Google Chrome prior to 94.0.4606.54 allowed a remote attacker to spoof the contents of the Omnibox (URL bar) via a crafted HTML page.

Record
CVE-2021-37971
CVSS 3.1
4.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Updated
2026-11-02
Show 8 moreShow less
OSVDEBIAN-CVE-2021-37971 4.3

Incorrect security UI in Web Browser UI in Google Chrome prior to 94.0.4606.54 allowed a remote attacker to spoof the contents of the Omnibox (URL bar) via a crafted HTML page.

Record
DEBIAN-CVE-2021-37971
CVSS 3.1
4.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Updated
2026-11-02
OSVUBUNTU-CVE-2021-37971 4.3

Incorrect security UI in Web Browser UI in Google Chrome prior to 94.0.4606.54 allowed a remote attacker to spoof the contents of the Omnibox (URL bar) via a crafted HTML page.

Record
UBUNTU-CVE-2021-37971
CVSS 3.1
4.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Updated
2026-11-02
OSVMGASA-2022-0050 No score

Updated qtwebengine5 packages fix security vulnerability

The qtwebengine5 package has been updated to version 5.15.8, fixing several security issues in the bundled chromium code. See the referenced package announcement for details.

Record
MGASA-2022-0050
Updated
2026-11-02
OSVopenSUSE-SU-2021:1339-1 No score

Security update for chromium

This update for chromium fixes the following issues:

Chromium 94.0.4606.54 (boo#1190765):

  • CVE-2021-37956: Use after free in Offline use
  • CVE-2021-37957: Use after free in WebGPU
  • CVE-2021-37958: Inappropriate implementation in Navigation
  • CVE-2021-37959: Use after free in Task Manager
  • CVE-2021-37960: Inappropriate implementation in Blink graphics
  • CVE-2021-37961: Use after free in Tab Strip
  • CVE-2021-37962: Use after free in Performance Manager
  • CVE-2021-37963: Side-channel information leakage in DevTools
  • CVE-2021-37964: Inappropriate implementation in ChromeOS Networking
  • CVE-2021-37965: Inappropriate implementation in Background Fetch API
  • CVE-2021-37966: Inappropriate implementation in Compositing
  • CVE-2021-37967: Inappropriate implementation in Background Fetch API
  • CVE-2021-37968: Inappropriate implementation in Background Fetch API
  • CVE-2021-37969: Inappropriate implementation in Google Updater
  • CVE-2021-37970: Use after free in File System API
  • CVE-2021-37971: Incorrect security UI in Web Browser UI
  • CVE-2021-37972: Out of bounds read in libjpeg-turbo

Chromium 94.0.4606.61 (boo#1191166):

  • CVE-2021-37973: Use after free in Portals

Chromium 94.0.4606.71 (boo#1191204):

  • CVE-2021-37974 : Use after free in Safe Browsing
  • CVE-2021-37975 : Use after free in V8
  • CVE-2021-37976 : Information leak in core
Record
openSUSE-SU-2021:1339-1
Updated
2026-11-02
OSVopenSUSE-SU-2021:1350-1 No score

Security update for chromium

This update for chromium fixes the following issues:

Chromium 94.0.4606.81 (boo#1191463):

  • CVE-2021-37977: Use after free in Garbage Collection
  • CVE-2021-37978: Heap buffer overflow in Blink
  • CVE-2021-37979: Heap buffer overflow in WebRTC
  • CVE-2021-37980: Inappropriate implementation in Sandbox

Chromium 94.0.4606.54 (boo#1190765):

  • CVE-2021-37956: Use after free in Offline use
  • CVE-2021-37957: Use after free in WebGPU
  • CVE-2021-37958: Inappropriate implementation in Navigation
  • CVE-2021-37959: Use after free in Task Manager
  • CVE-2021-37960: Inappropriate implementation in Blink graphics
  • CVE-2021-37961: Use after free in Tab Strip
  • CVE-2021-37962: Use after free in Performance Manager
  • CVE-2021-37963: Side-channel information leakage in DevTools
  • CVE-2021-37964: Inappropriate implementation in ChromeOS Networking
  • CVE-2021-37965: Inappropriate implementation in Background Fetch API
  • CVE-2021-37966: Inappropriate implementation in Compositing
  • CVE-2021-37967: Inappropriate implementation in Background Fetch API
  • CVE-2021-37968: Inappropriate implementation in Background Fetch API
  • CVE-2021-37969: Inappropriate implementation in Google Updater
  • CVE-2021-37970: Use after free in File System API
  • CVE-2021-37971: Incorrect security UI in Web Browser UI
  • CVE-2021-37972: Out of bounds read in libjpeg-turbo

Chromium 94.0.4606.61 (boo#1191166):

  • CVE-2021-37973: Use after free in Portals

Chromium 94.0.4606.71 (boo#1191204):

  • CVE-2021-37974 : Use after free in Safe Browsing
  • CVE-2021-37975 : Use after free in V8
  • CVE-2021-37976 : Information leak in core
Record
openSUSE-SU-2021:1350-1
Updated
2026-11-02
OSVopenSUSE-SU-2024:11555-1 No score

chromedriver-94.0.4606.71-1.1 on GA media

These are all security issues fixed in the chromedriver-94.0.4606.71-1.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:11555-1
Updated
2026-11-02
OSVopenSUSE-SU-2024:11605-1 No score

libQt5Pdf5-5.15.7-1.1 on GA media

These are all security issues fixed in the libQt5Pdf5-5.15.7-1.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:11605-1
Updated
2026-11-02
OSVopenSUSE-SU-2024:12948-1 No score

ungoogled-chromium-113.0.5672.92-1.1 on GA media

These are all security issues fixed in the ungoogled-chromium-113.0.5672.92-1.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:12948-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
qt5-qtwebengine
Alpine:v3.14
 before 5.15.3_git20211006-r1
5.15.3_git20211006-r1
qt5-qtwebengine
Alpine:v3.15
 before 5.15.3_git20211006-r3
5.15.3_git20211006-r3
qt5-qtwebengine
Alpine:v3.16
 before 5.15.3_git20211006-r3
5.15.3_git20211006-r3
qt5-qtwebengine
Alpine:v3.17
 before 5.15.3_git20211006-r3
5.15.3_git20211006-r3
qt5-qtwebengine
Alpine:v3.18
 before 5.15.3_git20211006-r3
5.15.3_git20211006-r3
qt5-qtwebengine
Alpine:v3.19
 before 5.15.3_git20211006-r3
5.15.3_git20211006-r3
qt5-qtwebengine
Alpine:v3.20
 before 5.15.3_git20211006-r3
5.15.3_git20211006-r3
qt5-qtwebengine
Alpine:v3.21
 before 5.15.3_git20211006-r3
5.15.3_git20211006-r3
qt5-qtwebengine
Alpine:v3.22
 before 5.15.3_git20211006-r3
5.15.3_git20211006-r3
qt5-qtwebengine
Alpine:v3.23
 before 5.15.3_git20211006-r3
5.15.3_git20211006-r3
Show 11 moreShow less
Affected packages
PackageAffectedFixed
chromium
Debian:12
 before 97.0.4692.71-0.1
97.0.4692.71-0.1
chromium
Debian:13
 before 97.0.4692.71-0.1
97.0.4692.71-0.1
chromium
Debian:14
 before 97.0.4692.71-0.1
97.0.4692.71-0.1
chromium
Debian:11
From an advisory covering 123 CVEs
 before 97.0.4692.71-0.1~deb11u1, plus listed versions
90.0.4430.212-193.0.4577.82-1
97.0.4692.71-0.1~deb11u1
qtwebengine5
Mageia:8
From an advisory covering 51 CVEs
 before 5.15.8-1.mga8
5.15.8-1.mga8
chromium-browser
Ubuntu:18.04:LTS
 before 94.0.4606.71-0ubuntu0.18.04.1, plus listed versions
61.0.3163.100-0ubuntu1.137862.0.3202.62-0ubuntu0.17.10.138062.0.3202.89-0ubuntu1.138662.0.3202.94-0ubuntu1.138863.0.3239.84-0ubuntu1
Show 45 moreShow less
63.0.3239.108-0ubuntu164.0.3282.119-0ubuntu164.0.3282.140-0ubuntu164.0.3282.167-0ubuntu165.0.3325.146-0ubuntu165.0.3325.181-0ubuntu166.0.3359.139-0ubuntu0.18.04.366.0.3359.181-0ubuntu0.18.04.167.0.3396.99-0ubuntu0.18.04.168.0.3440.75-0ubuntu0.18.04.168.0.3440.106-0ubuntu0.18.04.169.0.3497.81-0ubuntu0.18.04.170.0.3538.67-0ubuntu0.18.04.170.0.3538.77-0ubuntu0.18.04.170.0.3538.110-0ubuntu0.18.04.171.0.3578.80-0ubuntu0.18.04.171.0.3578.98-0ubuntu0.18.04.172.0.3626.119-0ubuntu0.18.04.172.0.3626.121-0ubuntu0.18.04.173.0.3683.75-0ubuntu0.18.04.173.0.3683.86-0ubuntu0.18.04.174.0.3729.169-0ubuntu0.18.04.175.0.3770.90-0ubuntu0.18.04.175.0.3770.142-0ubuntu0.18.04.176.0.3809.87-0ubuntu0.18.04.176.0.3809.100-0ubuntu0.18.04.177.0.3865.90-0ubuntu0.18.04.178.0.3904.70-0ubuntu0.18.04.278.0.3904.97-0ubuntu0.18.04.178.0.3904.108-0ubuntu0.18.04.179.0.3945.79-0ubuntu0.18.04.179.0.3945.130-0ubuntu0.18.04.180.0.3987.87-0ubuntu0.18.04.180.0.3987.149-0ubuntu0.18.04.180.0.3987.163-0ubuntu0.18.04.181.0.4044.122-0ubuntu0.18.04.181.0.4044.138-0ubuntu0.18.04.183.0.4103.61-0ubuntu0.18.04.184.0.4147.105-0ubuntu0.18.04.185.0.4183.83-0ubuntu0.18.04.285.0.4183.121-0ubuntu0.18.04.186.0.4240.75-0ubuntu0.18.04.186.0.4240.198-0ubuntu0.18.04.187.0.4280.66-0ubuntu0.18.04.189.0.4389.82-0ubuntu0.18.04.1
94.0.4606.71-0ubuntu0.18.04.1
chromium
SUSE:Package Hub 15 SP3
From an advisory covering 21 CVEs
 before 94.0.4606.71-bp153.2.31.1
94.0.4606.71-bp153.2.31.1
chromium
openSUSE:Leap 15.3
From an advisory covering 21 CVEs
 before 94.0.4606.71-bp153.2.31.1
94.0.4606.71-bp153.2.31.1
chromium
openSUSE:Leap 15.2
From an advisory covering 25 CVEs
 before 94.0.4606.81-lp152.2.132.1
94.0.4606.81-lp152.2.132.1
chromium
openSUSE:Tumbleweed
From an advisory covering 21 CVEs
 before 94.0.4606.71-1.1
94.0.4606.71-1.1
chromium
openSUSE:Tumbleweed
From an advisory covering 2310 CVEs
 before 113.0.5672.92-1.1
113.0.5672.92-1.1

History

History
RecordedChangedSources
affected, facts
affected, aliases, referencesOSV
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-37971 is a medium vulnerability (CVSS 4.3) in Google Chrome, published October 8, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.26%, the 69th percentile. Fixed in qt5-qtwebengine 5.15.3_git20211006-r1.

References

Show 194 moreShow less
This page doesn't list everything

Left out here: 7 versions and 2,132 references. The JSON record has them.

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