EUVD-2026-78964
Out-of-bounds Write (CWE-787)
GHSA-jvxj-jg9r-j5w5
8.8
CVSS 3.1 · Vendor: Google_Devices
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Severity by source
Vendor (Google_Devices)
PRIMARY
8.8
HIGH
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Primary rating from Vendor (Google_Devices) · only source for this CVE.
CVSS VectorVendor: Google_Devices
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Lifecycle Timeline
3
Analysis Generated
Sep 15, 2026 - 22:04 vuln.today
CVE Published
Sep 15, 2026 - 18:33 cve.org
HIGH 8.8
CVE Published
Sep 15, 2026 - 18:33 cve.org
UNKNOWN (no severity yet)
DescriptionCVE.org
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.
AnalysisAI
Let me synthesize. CVE-2026-56920: Android HEVC decoder, firmware header parsing (fw_hevc_dec_header.c), s_decode_vui_param out-of-bounds write, CWE-787, CVSS 8.8 AV:N/AC:L/PR:L/UI:N. …
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Same weakness CWE-787 – Out-of-bounds Write
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External POC / Exploit Code
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