CVE-2019-9792

CVE Details

Release Date:

2019-04-26

Description

The IonMonkey just-in-time (JIT) compiler can leak an internal JS_OPTIMIZED_OUT magic value to the running script during a bailout. This magic value can then be used by JavaScript to achieve memory corruption, which results in a potentially exploitable crash. This vulnerability affects Thunderbird < 60.6, Firefox ESR < 60.6, and Firefox < 66.

See more information about CVE-2019-9792 from MITRE CVE dictionary and NIST NVD

CVSS v3.0 metrics

NOTE: The following CVSS v3.0 metrics and score provided are preliminary and subject to review.

Base Score:	9.8	Base Metrics:	AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Access Vector:	Network	Attack Complexity:	Low
Privileges Required:	None	User Interaction:	None
Scope:	Unchanged	Confidentiality Impact:	High
Integrity Impact:	High	Availability Impact:	High

Errata information

Platform	Errata	Release Date
Oracle Linux version 6 (firefox)	ELSA-2019-0623	2019-03-20
Oracle Linux version 6 (thunderbird)	ELSA-2019-0680	2019-03-28
Oracle Linux version 7 (firefox)	ELSA-2019-0622	2019-03-20
Oracle Linux version 7 (thunderbird)	ELSA-2019-0681	2019-03-28
Oracle Linux version 8 (firefox)	ELSA-2019-0966	2019-07-30
Oracle Linux version 8 (thunderbird)	ELSA-2019-1144	2019-07-30

This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections please contact the Oracle Linux ULN team