CVE-2021-38506

CVE Details

Release Date:

2021-12-08

Description

Through a series of navigations, Firefox could have entered fullscreen mode without notification or warning to the user. This could lead to spoofing attacks on the browser UI including phishing. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.

See more information about CVE-2021-38506 from MITRE CVE dictionary and NIST NVD

CVSS v3.0 metrics

NOTE: The following CVSS v3.0 metrics and score provided are preliminary and subject to review.

Base Score:	4.3	Base Metrics:	AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Access Vector:	Network	Attack Complexity:	Low
Privileges Required:	None	User Interaction:	Required
Scope:	Unchanged	Confidentiality Impact:	None
Integrity Impact:	Low	Availability Impact:	None

Errata information

Platform	Errata	Release Date
Oracle Linux version 7 (firefox)	ELSA-2021-4116	2021-11-04
Oracle Linux version 7 (thunderbird)	ELSA-2021-4134	2021-11-05
Oracle Linux version 8 (firefox)	ELSA-2021-4123	2021-11-04
Oracle Linux version 8 (thunderbird)	ELSA-2021-4130	2021-11-05

This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections please contact the Oracle Linux ULN team