CVE-2021-23973

CVE Details

Release Date:	2021-02-26
Impact:	None	What is this?

Description

When trying to load a cross-origin resource in an audio/video context a decoding error may have resulted, and the content of that error may have revealed information about the resource. This vulnerability affects Firefox < 86, Thunderbird < 78.8, and Firefox ESR < 78.8.

See more information about CVE-2021-23973 from MITRE CVE dictionary and NIST NVD

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

CVSS v3 metrics

Base Score:	6.5
Vector String:	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Version:	3.0
Attack Vector:	Network
Attack Complexity:	Low
Privileges Required:	None
User Interaction:	Required
Scope:	Unchanged
Confidentiality Impact:	High
Integrity Impact:	None
Availability Impact:	None

Errata information

Platform	Errata	Release Date
Oracle Linux version 7 (firefox)	ELSA-2021-0656	2021-02-26
Oracle Linux version 7 (thunderbird)	ELSA-2021-0661	2021-02-26
Oracle Linux version 8 (firefox)	ELSA-2021-0655	2021-02-26
Oracle Linux version 8 (thunderbird)	ELSA-2021-0657	2021-02-26