CVE-2019-11757

CVE Details

Release Date:	2020-01-08
Impact:	None	What is this?

Description

When following the value's prototype chain, it was possible to retain a reference to a locale, delete it, and subsequently reference it. This resulted in a use-after-free and a potentially exploitable crash. This vulnerability affects Firefox < 70, Thunderbird < 68.2, and Firefox ESR < 68.2.

See more information about CVE-2019-11757 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-2019-3281	2020-07-07
Oracle Linux version 7 (firefox)	ELSA-2019-3193	2019-10-23
Oracle Linux version 7 (thunderbird)	ELSA-2019-3210	2019-10-29
Oracle Linux version 8 (firefox)	ELSA-2019-3196	2019-10-24
Oracle Linux version 8 (thunderbird)	ELSA-2019-3237	2019-10-30