CVE-2026-21116: Medium severity Samsung libsmkvextractor.so vulnerability

Q: Who can exploit this issue?

Exploitation requires local access to a device or environment containing the affected Samsung libsmkvextractor.so component. No privileges or user interaction are required according to the CVSS vector.

Q: What impact could successful exploitation have?

The reported impact is an out-of-bounds memory write, with low integrity and availability impact. The CVSS vector does not indicate confidentiality impact.

Q: Which releases are affected?

The issue affects libsmkvextractor.so versions prior to SMR Oct-2026 Release 1. The provided information does not identify specific device models or earlier version numbers.

Published Oct 12, 2026

Updated

Out-of-bounds write in libsmkvextractor.so prior to SMR Oct-2026 Release 1 allows local attackers to write out-of-bounds memory.

Affected Software

1 affected component

Samsung libsmkvextractor.so<SMR Oct-2026 Release 1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Patch SMR Oct-2026 Release 1

Event History

Oct 12, 2026

CVE Published

via MITRE·04:57 AM

Data Sourced

via MITRE·04:57 AM

DescriptionWeakness

Data Sourced

via NVD·05:17 AM

DescriptionSeverity

Frequently Asked Questions

Who can exploit this issue?

Exploitation requires local access to a device or environment containing the affected Samsung libsmkvextractor.so component. No privileges or user interaction are required according to the CVSS vector.

What impact could successful exploitation have?

The reported impact is an out-of-bounds memory write, with low integrity and availability impact. The CVSS vector does not indicate confidentiality impact.

Which releases are affected?

The issue affects libsmkvextractor.so versions prior to SMR Oct-2026 Release 1. The provided information does not identify specific device models or earlier version numbers.

CVE-2026-21116: Medium severity Samsung libsmkvextractor.so vulnerability

Affected Software

Remediation

Event History

Frequently Asked Questions

Who can exploit this issue?

What impact could successful exploitation have?

Which releases are affected?

Company

Resources

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Frequently Asked Questions

Who can exploit this issue?

What impact could successful exploitation have?

Which releases are affected?