CVE-2026-21090
Analyzed Analyzed - Analysis Complete

Out-of-bounds Write in libsaviextractor.so

Vulnerability report for CVE-2026-21090, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-09-09

Last updated on: 2026-09-11

Assigner: Samsung Mobile

Description

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

CVSS Scores

EPSS Scores

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Meta Information

Published
2026-09-09
Last Modified
2026-09-11
Generated
2026-09-29
AI Q&A
2026-09-09
EPSS Evaluated
2026-09-27
NVD
EUVD

Affected Vendors & Products

Showing 95 associated CPEs
Vendor Product Version / Range
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 15.0
samsung android 15.0
samsung android 15.0
samsung android 14.0
samsung android 14.0
samsung android 15.0
samsung android 15.0
samsung android 14.0
samsung android 15.0
samsung android 16.0
samsung android 14.0
samsung android 15.0
samsung android 16.0
samsung android 14.0
samsung android 15.0
samsung android 16.0
samsung android 14.0
samsung android 15.0
samsung android 16.0
samsung android 14.0
samsung android 15.0
samsung android 16.0
samsung android 14.0
samsung android 15.0
samsung android 16.0
samsung android 15.0
samsung android 15.0
samsung android 14.0
samsung android 15.0
samsung android 16.0
samsung android 14.0
samsung android 15.0
samsung android 16.0
samsung android 14.0
samsung android 15.0
samsung android 16.0
samsung android 15.0
samsung android 16.0
samsung android 14.0
samsung android 14.0
samsung android 15.0
samsung android 16.0
samsung android 14.0
samsung android 14.0
samsung android 15.0
samsung android 15.0
samsung android 16.0
samsung android 16.0
samsung android 14.0
samsung android 15.0
samsung android 16.0
samsung android 17.0

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-787 The product writes data past the end, or before the beginning, of the intended buffer.

Attack-Flow Graph

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Executive Summary

This is an out-of-bounds write vulnerability in libsaviextractor.so before the SMR Sep-2026 Release 1. It allows local attackers to write data beyond allocated memory boundaries in the library.

Detection Guidance

Detection requires checking for the presence of vulnerable libsaviextractor.so versions prior to SMR Sep-2026 Release 1. Inspect the file version and modification date. No specific commands are provided in the context.

Impact Analysis

A local attacker could exploit this to corrupt memory, crash applications, or potentially execute arbitrary code on the affected system. This may lead to unauthorized data access or system compromise.

Compliance Impact

This vulnerability involves an out-of-bounds write in a Samsung library, which could allow local attackers to corrupt memory. Such memory corruption issues may lead to unauthorized data access or system instability, potentially violating data integrity and confidentiality requirements in standards like GDPR and HIPAA.

Mitigation Strategies

Update to the SMR Sep-2026 Release 1 or later to address the out-of-bounds write in libsaviextractor.so. Check Samsung's official security advisories for patches and apply them promptly.

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