← Back

CVE-2026-20478

nvd nist
Published: Aug 3, 2026Modified: Aug 20, 2026

JSON object

Loading...
5.5
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Exploitability: 1.8 / Impact: 3.6
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Description

In Audio HAL, there is a possible out of bounds write due to a heap buffer overflow. This could lead to local denial of service with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS10981454 (Note: For MT6880, MT6890, MT6988, MT6990) / AUTO00851293 (Note: For MT2735, MT2737); Issue ID: MSV-7638.

Affected (6)

Mediatek
6 products
Mt2735 Firmware
Mt2737 Firmware
Mt6880 Firmware
Mt6890 Firmware
Mt6988 Firmware
Mt6990 Firmware
Configuration A
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Mt2735 Firmware
All versions
Running on/withPlatform Versions
Mediatek
Mt2735
All versions
Configuration B
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Mt2737 Firmware
All versions
Running on/withPlatform Versions
Mediatek
Mt2737
All versions
Configuration C
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Mt6880 Firmware
All versions
Running on/withPlatform Versions
Mediatek
Mt6880
All versions
Configuration D
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Mt6890 Firmware
All versions
Running on/withPlatform Versions
Mediatek
Mt6890
All versions
Configuration E
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Mt6988 Firmware
All versions
Running on/withPlatform Versions
Mediatek
Mt6988
All versions
Configuration F
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Mt6990 Firmware
All versions
Running on/withPlatform Versions
Mediatek
Mt6990
All versions

Related CWEs

CWE-787
Out-of-bounds Write
The product writes data past the end, or before the beginning, of the intended buffer.

References (1)

Source: security@mediatek.com
Vendor Advisory

Timeline

No history available yet.