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CVE-2026-85084— Out-of-bounds write in TizenFX MediaBufferBase indexer setter due to missing bounds check

Quick assessment

Affected
Samsung Open Source TizenFX
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Samsung Open Source TizenFX 中存在一个越界写入（Out-of-bounds Write）和对数组索引验证不当（Improper Validation of Array Index）的漏洞，该漏洞会导致缓冲区溢出（Overflow Buffers）。

CVSS 6.3 · Medium

Possible ATT&CK Techniques 1 AI

T1212 · Exploitation for Credential Access
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I. Basic Information for CVE-2026-85084

Vulnerability Information
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Vulnerability Title
Out-of-bounds write in TizenFX MediaBufferBase indexer setter due to missing bounds check
Source: CVE Program / CVE List V5
Vulnerability Description
Out-of-bounds Write and Improper Validation of Array Index vulnerability in Samsung Open Source TizenFX Samsung/TizenFX allows Overflow Buffers.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存写
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Samsung Open Source TizenFX - -

II. Public POCs for CVE-2026-85084

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III. Intelligence Information for CVE-2026-85084

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Patches & Fixes for CVE-2026-85084 (2)

IV. Related Vulnerabilities

Same vendor: Samsung Open Source
Same weakness: CWE-787

V. Comments for CVE-2026-85084

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