CVE-2025-1934

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

04/03/2025

Last modified:

13/04/2026

Description

It was possible to interrupt the processing of a RegExp bailout and run additional JavaScript, potentially triggering garbage collection when the engine was not expecting it. This vulnerability was fixed in Firefox 136, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8.

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:::::esr:::*		128.8.0 (excluding)
cpe:2.3:a:mozilla:firefox::::::::		136.0 (excluding)
cpe:2.3:a:mozilla:thunderbird::::::::		128.8.0 (excluding)
cpe:2.3:a:mozilla:thunderbird::::::::	129.0 (including)	136.0 (excluding)

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

CVE-2025-1934

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools