CVE-2020-26973

CVE Details

Release Date:

2021-01-07

Description

Certain input to the CSS Sanitizer confused it, resulting in incorrect components being removed. This could have been used as a sanitizer bypass. This vulnerability affects Firefox < 84, Thunderbird < 78.6, and Firefox ESR < 78.6.

See more information about CVE-2020-26973 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:	8.8	Base Metrics:	AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Access Vector:	Network	Attack Complexity:	Low
Privileges Required:	None	User Interaction:	Required
Scope:	Unchanged	Confidentiality Impact:	High
Integrity Impact:	High	Availability Impact:	High

Errata information

Platform	Errata	Release Date
Oracle Linux version 7 (firefox)	ELSA-2020-5561-1	2020-12-17
Oracle Linux version 7 (thunderbird)	ELSA-2020-5618-1	2020-12-18
Oracle Linux version 8 (firefox)	ELSA-2020-5562-1	2020-12-17
Oracle Linux version 8 (thunderbird)	ELSA-2020-5624-1	2020-12-18

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