CVE-2021-44683: The DuckDuckGo browser 7.64.4 on iOS allows Address Bar Spoofing due to mishandling of the JavaScript window.o

Q: How do I fix CVE-2021-44683?

duckduckgo: upgrade to 7.64.18. Exact commands for each OS are on this page.

Q: Is CVE-2021-44683 being exploited?

CVE-2021-44683 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2021-44683 affect?

CVE-2021-44683 affects duckduckgo. Severity is high (CVSS 8.2). The DuckDuckGo browser 7.64.4 on iOS allows Address Bar Spoofing due to mishandling of the JavaScript window.open function (used to open a secondary browser window). This could be exploited by tricking users into supplying sensitive informa

Q: How urgent is CVE-2021-44683?

Priority 49/100. High severity; Public exploit reference

This month

HIGH 8.2UPGRADE

CVE-2021-44683 is a high-severity flaw (CVSS 8.2) affecting duckduckgo. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The DuckDuckGo browser 7.64.4 on iOS allows Address Bar Spoofing due to mishandling of the JavaScript window.open function (used to open a secondary browser window). This could be exploited by tricking users into supplying sensitive information such as credentials, because the address bar would display a legitimate URL, but content would be hosted on the attacker's web site.

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	8.2 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	1.0% (top 38%)
CISA exploited list	No
Weakness	CWE-1021
Published	2022-03-25
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: duckduckgo

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2022-03-25 22:15 UTCPublished CVE record published
2026-06-17 04:12 UTCUpdated Record last modified

duckduckgo duckduckgo UPGRADE

Affected: < 7.64.18

Fixed in: 7.64.18

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy duckduckgo || rpm -q duckduckgo || duckduckgo --version

2. UPGRADE to 7.64.18 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade duckduckgo

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade duckduckgo

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2021-44683?

duckduckgo: upgrade to 7.64.18. Exact commands for each OS are on this page.

Is CVE-2021-44683 being exploited?

CVE-2021-44683 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2021-44683 affect?

CVE-2021-44683 affects duckduckgo. Severity is high (CVSS 8.2). The DuckDuckGo browser 7.64.4 on iOS allows Address Bar Spoofing due to mishandling of the JavaScript window.open function (used to open a secondary browser window). This could be exploited by tricking users into supplying sensitive informa

How urgent is CVE-2021-44683?

Priority 49/100. High severity; Public exploit reference

Software pages

iOS vulnerabilities

References

← Back to latest CVEs