CVE-2020-12420

CVE Details

Release Date:	2020-07-09
Impact:	None	What is this?

Description

When trying to connect to a STUN server, a race condition could have caused a use-after-free of a pointer, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox ESR < 68.10, Firefox < 78, and Thunderbird < 68.10.0.

See more information about CVE-2020-12420 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:	8.8
Vector String:	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Version:	3.0
Attack 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 6 (firefox)	ELSA-2020-2824	2020-07-07
Oracle Linux version 6 (thunderbird)	ELSA-2020-2966	2020-07-17
Oracle Linux version 7 (firefox)	ELSA-2020-2827	2020-07-07
Oracle Linux version 7 (thunderbird)	ELSA-2020-2906	2020-07-14
Oracle Linux version 8 (firefox)	ELSA-2020-2828	2020-07-08
Oracle Linux version 8 (thunderbird)	ELSA-2020-3038	2020-07-22