In s_decode_vui_param of fw_hevc_dec_header.c, there is a possible out-of-bounds write due to a logic error in the code. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation.
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Wed, 16 Sep 2026 00:30:00 +0000

Type Values Removed Values Added
Title Out-of-Bounds Write Exploit "s_decode_vui_param" Enables Remote Code Execution in Android HEVC Decoder

Tue, 15 Sep 2026 21:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-787
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

ssvc

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


Tue, 15 Sep 2026 20:45:00 +0000

Type Values Removed Values Added
First Time appeared Google
Google android
Vendors & Products Google
Google android

Tue, 15 Sep 2026 18:45:00 +0000

Type Values Removed Values Added
Description In s_decode_vui_param of fw_hevc_dec_header.c, there is a possible out-of-bounds write due to a logic error in the code. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation.
References

Projects

Sign in to view the affected projects.

cve-icon MITRE

Status: PUBLISHED

Assigner: Google_Devices

Published:

Updated: 2026-09-16T03:57:47.418Z

Reserved: 2026-06-23T16:10:45.837Z

Link: CVE-2026-56920

cve-icon Vulnrichment

Updated: 2026-09-15T20:40:04.718Z

cve-icon NVD

Status : Received

Published: 2026-09-15T19:17:26.730

Modified: 2026-09-16T04:18:26.137

Link: CVE-2026-56920

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-16T00:15:15Z

Weaknesses