CVE-2026-121803

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-121803
StateREJECTED
AssignerUnisoc
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-11-04 04:17:33 UTC
Updated2026-11-04 04:17:33 UTC
DescriptionIn UFS Field Firmware Update (FFU) functionality, there is a possible out-of-bounds write due to missing bounds checking on the PRDT table size. This could lead to local code execution or denial of service with no additional execution privileges needed.

Risk And Classification

Primary CVSS: v3.1 9.3 CRITICAL from [email protected]

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Problem Types: CWE-787

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

References

ReferenceSourceLinkTags
www.unisoc.com/en/support/product-security-bulletin/2117818023857520641 [email protected] www.unisoc.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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