CVE-2025-8028

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

22/07/2025

Last modified:

13/04/2026

Description

On arm64, a WASM `br_table` instruction with a lot of entries could lead to the label being too far from the instruction causing truncation and incorrect computation of the branch address. This vulnerability was fixed in Firefox 141, Firefox ESR 115.26, Firefox ESR 128.13, Firefox ESR 140.1, Thunderbird 141, Thunderbird 128.13, and Thunderbird 140.1.

Impact

Vector 3.x

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

Base Score: 9.80 CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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

Base Score 3.x

9.80

Severity 3.x

CRITICAL

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:mozilla:firefox:::::esr:::*		115.26.0 (excluding)
cpe:2.3:a:mozilla:firefox:::::-:::*		141.0 (excluding)
cpe:2.3:a:mozilla:firefox:::::esr:::*	128.0 (including)	128.13.0 (excluding)
cpe:2.3:a:mozilla:firefox:::::esr:::*	140.0 (including)	140.1.0 (excluding)
cpe:2.3:a:mozilla:thunderbird:::::esr:::*		128.13.0 (excluding)
cpe:2.3:a:mozilla:thunderbird:::::-:::*		141.0 (excluding)
cpe:2.3:a:mozilla:thunderbird:::::esr:::*	140.0 (including)	140.1.0 (excluding)

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

CVE-2025-8028

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools