CVE-2019-17026

CVE Details

Release Date:	2020-03-02
Impact:	None	What is this?

Description

Incorrect alias information in IonMonkey JIT compiler for setting array elements could lead to a type confusion. We are aware of targeted attacks in the wild abusing this flaw. This vulnerability affects Firefox ESR < 68.4.1, Thunderbird < 68.4.1, and Firefox < 72.0.1.

See more information about CVE-2019-17026 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-2020-0086	2020-07-07
Oracle Linux version 6 (thunderbird)	ELSA-2020-0123	2020-07-07
Oracle Linux version 7 (firefox)	ELSA-2020-0085	2020-01-13
Oracle Linux version 7 (thunderbird)	ELSA-2020-0120	2020-01-16
Oracle Linux version 8 (firefox)	ELSA-2020-0111	2020-01-15
Oracle Linux version 8 (thunderbird)	ELSA-2020-0127	2020-01-18