Out-of-bounds write in TizenFX MediaBufferBase indexer setter due to missing bounds check

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-85084
StatePUBLISHED
Assignersamsung.tv_appliance
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-03 13:06:20 UTC
Updated2026-09-03 14:17:04 UTC
DescriptionOut-of-bounds Write and Improper Validation of Array Index vulnerability in Samsung Open Source TizenFX Samsung/TizenFX allows Overflow Buffers.

Risk And Classification

Primary CVSS: v3.1 6.3 MEDIUM from [email protected]

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

Problem Types: CWE-129 | CWE-787 | CWE-787 CWE-787 Out-of-bounds Write | CWE-129 CWE-129 Improper Validation of Array Index

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary6.3MEDIUMCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H
3.1CNACVSS6.3MEDIUMCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H

CVSS v3.1 Breakdown

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

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Samsung Open Source TizenFX unaffected a74b5e5dd6796f939af8dd90f77a7d9962d67df1 Not specified

References

ReferenceSourceLinkTags
github.com/Samsung/TizenFX/pull/7815 [email protected] github.com
github.com/Samsung/TizenFX/pull/7814 [email protected] github.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Ezinne Kalu (https://github.com/zikk090) (en)

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