CVE-2023-4578

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

11/09/2023

Last modified:

14/09/2023

Description

When calling `JS::CheckRegExpSyntax` a Syntax Error could have been set which would end in calling `convertToRuntimeErrorAndClear`. A path in the function could attempt to allocate memory when none is available which would have caused a newly created Out of Memory exception to be mishandled as a Syntax Error. This vulnerability affects Firefox

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 6.50 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x

6.50

Severity 3.x

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:mozilla:firefox::::::::		117.0 (excluding)
cpe:2.3:a:mozilla:firefox_esr::::::::		115.2 (excluding)
cpe:2.3:a:mozilla:thunderbird::::::::		115.2 (excluding)

To consult the complete list of CPE names with products and versions, see this page

CVE-2023-4578

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools