Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2025-10527

Severity CVSS v4.0:
Pending analysis
Type:
CWE-416 Use After Free
Publication date:
16/09/2025
Last modified:
03/11/2025

Description

Sandbox escape due to use-after-free in the Graphics: Canvas2D component. This vulnerability affects Firefox

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L CVSS v3.1 Severity and Metrics:

Base Score: 7.10 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

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

Base Score 3.x
7.10
Severity 3.x
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:* 140.3.0 (excluding)
cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:* 143.0 (including)
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* 140.3.0 (excluding)
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* 141.0 (including) 143.0 (excluding)

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


References to Advisories, Solutions, and Tools