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CVE-2025-8028

nvd nist
Published: Jul 22, 2025Modified: Jun 17, 2026

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9.8
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitability: 3.9 / Impact: 5.9
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

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.

Affected (7)

Mozilla
2 products
Firefox
Thunderbird
Configuration A
7 vulnerable
Vulnerable SoftwareAffected Versions
Mozilla
Firefox
Before 141.0
Firefox
Before 115.26.0
Firefox
From 128.0 to 128.13.0
Firefox
From 140.0 to 140.1.0
Mozilla
Thunderbird
Before 141.0
Thunderbird
Before 128.13.0
Thunderbird
From 140.0 to 140.1.0

Related CWEs

CWE-1332
Improper Handling of Faults that Lead to Instruction Skips
The device is missing or incorrectly implements circuitry or sensors that detect and mitigate the skipping of security-critical CPU instructions when they occur.

References (9)

Source: security@mozilla.org
Permissions Required
Source: security@mozilla.org
Vendor Advisory
Source: security@mozilla.org
Vendor Advisory
Source: security@mozilla.org
Vendor Advisory
Source: security@mozilla.org
Vendor Advisory
Source: security@mozilla.org
Vendor Advisory
Source: security@mozilla.org
Vendor Advisory
Source: security@mozilla.org
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108

Timeline

No history available yet.