CVE-2021-4140

CVE Details

Release Date:

2022-12-22

Description

It was possible to construct specific XSLT markup that would be able to bypass an iframe sandbox. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5.

See more information about CVE-2021-4140 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:	10	Base Metrics:	AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Access Vector:	Network	Attack Complexity:	Low
Privileges Required:	None	User Interaction:	None
Scope:	Changed	Confidentiality Impact:	High
Integrity Impact:	High	Availability Impact:	High

Errata information

Platform	Errata	Release Date
Oracle Linux version 7 (firefox)	ELSA-2022-0124	2022-01-12
Oracle Linux version 7 (thunderbird)	ELSA-2022-0127	2022-01-12
Oracle Linux version 8 (firefox)	ELSA-2022-0130	2022-01-13
Oracle Linux version 8 (thunderbird)	ELSA-2022-0129	2022-01-13

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