Description
In sec boot, there is a possible out of bounds write due to an integer overflow. This could lead to local denial of service, if an attacker has physical access to the device, with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS09963054; Issue ID: MSV-3899.
Published: 2026-04-07
Score: 4.3 Medium
EPSS: < 1% Very Low
KEV: No
Impact: Local Denial of Service
Action: Apply Patch
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Wed, 08 Apr 2026 20:15:00 +0000

Type Values Removed Values Added
Title Integer Overflow in Secure Boot Leading to Local Denial of Service
First Time appeared Mediatek mediatek Chipset
Vendors & Products Mediatek mediatek Chipset

Tue, 07 Apr 2026 18:00:00 +0000

Type Values Removed Values Added
First Time appeared Mediatek
Mediatek mt6813
Mediatek mt6813 Firmware
CPEs cpe:2.3:h:mediatek:mt6813:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6813_firmware:-:*:*:*:*:*:*:*
Vendors & Products Mediatek
Mediatek mt6813
Mediatek mt6813 Firmware

Tue, 07 Apr 2026 15:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-190
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 07 Apr 2026 07:15:00 +0000

Type Values Removed Values Added
Description In sec boot, there is a possible out of bounds write due to an integer overflow. This could lead to local denial of service, if an attacker has physical access to the device, with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS09963054; Issue ID: MSV-3899.
Weaknesses CWE-787
References

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Mediatek Mediatek Chipset Mt6813 Mt6813 Firmware
cve-icon MITRE

Status: PUBLISHED

Assigner: MediaTek

Published:

Updated: 2026-04-07T13:02:15.541Z

Reserved: 2025-11-03T01:30:59.013Z

Link: CVE-2026-20446

cve-icon Vulnrichment

Updated: 2026-04-07T13:02:07.185Z

cve-icon NVD

Status : Analyzed

Published: 2026-04-07T04:17:13.797

Modified: 2026-04-07T15:43:45.250

Link: CVE-2026-20446

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-04-08T19:50:09Z

Weaknesses