CVE-2023-4577

CVE Details

Release Date:

2023-08-29

Description

When `UpdateRegExpStatics` attempted to access `initialStringHeap` it could already have been garbage collected prior to entering the function, which could potentially have led to an exploitable crash. This vulnerability affects Firefox < 117, Firefox ESR < 115.2, and Thunderbird < 115.2.

See more information about CVE-2023-4577 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:	7.5	Base Metrics:	AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Access 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

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