CVE-2020-15669

CVE Details

Release Date:	2020-10-01
Impact:	None	What is this?

Description

When aborting an operation, such as a fetch, an abort signal may be deleted while alerting the objects to be notified. This results in a use-after-free and we presume that with enough effort it could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR < 68.12 and Thunderbird < 68.12.

See more information about CVE-2020-15669 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-2020-3558	2020-08-27
Oracle Linux version 6 (thunderbird)	ELSA-2020-3643	2020-09-09
Oracle Linux version 7 (firefox)	ELSA-2020-3556	2020-09-08
Oracle Linux version 7 (thunderbird)	ELSA-2020-3631	2020-09-17
Oracle Linux version 8 (firefox)	ELSA-2020-3557	2020-08-28
Oracle Linux version 8 (thunderbird)	ELSA-2020-3634	2020-09-08