CVE-2023-4573

CVE Details

Release Date:	2023-08-29
Impact:	Important	What is this?

Description

When receiving rendering data over IPC `mStream` could have been destroyed when initialized, which could have led to a use-after-free causing a potentially exploitable crash. This vulnerability affects Firefox < 117, Firefox ESR < 102.15, Firefox ESR < 115.2, Thunderbird < 102.15, and Thunderbird < 115.2.

See more information about CVE-2023-4573 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:	7.5
Vector String:	CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Version:	3.0
Attack Vector:	Network
Attack Complexity:	High
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 7 (firefox)	ELSA-2023-5019	2023-09-07
Oracle Linux version 7 (thunderbird)	ELSA-2023-4945	2023-09-05
Oracle Linux version 8 (firefox)	ELSA-2023-4952	2023-09-06
Oracle Linux version 8 (thunderbird)	ELSA-2023-4954	2023-09-06
Oracle Linux version 9 (firefox)	ELSA-2023-4958	2023-09-06
Oracle Linux version 9 (thunderbird)	ELSA-2023-4955	2023-09-06