PT-2021-7422 · Mozilla+4 · Firefox+4

Jonathan Kingston

·

Published

2021-09-07

·

Updated

2024-12-12

·

CVE-2021-38491

CVSS v2.0

7.1

High

VectorAV:N/AC:M/Au:N/C:N/I:C/A:N
Name of the Vulnerable Software and Affected Versions Firefox versions prior to 92
Description The issue is related to mixed-content checks being unable to analyze opaque origins, leading to some mixed content being loaded. This could potentially allow a remote attacker to conduct spoofing attacks using a specially crafted link.
Recommendations For versions prior to 92, update to version 92 or later to resolve the issue. As a temporary workaround, consider restricting access to potentially vulnerable links to minimize the risk of exploitation.

Exploit

Fix

Found an issue in the description? Have something to add? Feel free to write us 👾
dbugs@ptsecurity.com

Weakness Enumeration

CWE-264

Related Identifiers

ALT-PU-2021-2739
ALT-PU-2021-2849
ALT-PU-2021-3368
ALT-PU-2022-1782
ALT-PU-2022-2458
ALT-PU-2022-2929
ALT-PU-2023-1138
ALT-PU-2023-4336
BDU:2022-06099
CVE-2021-38491
OESA-2023-1673
OESA-2023-1674
OPENSUSE-SU-2024:10600-1
OPENSUSE-SU-2024:14572-1
USN-5074-1

Affected Products

Alt Linux
Astra Linux
Firefox
Linuxmint
Ubuntu