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MediaInfoLib EUVD-2026-31116

| CVE-2026-22554 HIGH
Heap-based Buffer Overflow (CWE-122)
2026-05-20 talos-cna@cisco.com GHSA-4mj8-945c-q57m
Buffer Overflow Heap Overflow
7.8
CVSS 3.1
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CVSS VectorNVD

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

1
Analysis Generated
May 20, 2026 - 14:30 vuln.today

DescriptionNVD

MediaArea MediaInfoLib Channel Splitting heap-based buffer overflow vulnerability

AnalysisAI

Heap-based buffer overflow in MediaArea MediaInfoLib's Channel Splitting parser allows attackers to corrupt heap memory and potentially execute arbitrary code when a victim opens a maliciously crafted media file. The CVSS 7.8 vector (AV:L/UI:R) indicates local attack with required user interaction, and no public exploit identified at time of analysis. …

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RemediationAI

24 hours: Identify and inventory all systems running MediaArea MediaInfoLib (all versions); catalog which applications and workflows depend on it. 7 days: Isolate MediaInfoLib operations into restricted execution environments (sandboxed containers, dedicated user accounts, or VM isolation); implement media file type whitelisting to limit parser exposure to operationally necessary formats only. …

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EUVD-2026-31116 vulnerability details – vuln.today
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