CVE-2026-21072: CWE-20 Improper input validation in Samsung Mobile Samsung Mobile Devices
CVE-2026-21072 is a medium severity vulnerability in Samsung Mobile Devices involving improper input validation in the VC1 codec component (libsavsvc.so). This flaw allows local attackers to write out-of-bounds memory, potentially leading to memory corruption. The issue affects versions prior to the SMR Aug-2026 Release 1. No official patch or remediation guidance is currently available from the vendor.
AI Analysis
Technical Summary
This vulnerability arises from improper input validation in the VC1 codec within libsavsvc.so on Samsung Mobile Devices. Specifically, it allows local attackers to perform out-of-bounds memory writes. The vulnerability is identified as CWE-20 and affects devices running software versions before the SMR Aug-2026 Release 1. The CVSS 4.0 base score is 5.1, indicating medium severity, with attack vector local and low privileges required. No known exploits are reported in the wild, and no vendor advisory or patch information is currently provided.
Potential Impact
Successful exploitation could allow a local attacker to write out-of-bounds memory, which may lead to memory corruption and potentially impact device stability or security. However, the attack requires local access and low privileges, limiting the scope of impact. There are no known active exploits in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official patch or remediation level is provided, users should monitor Samsung Mobile advisories for updates. No specific mitigations are currently documented.
CVE-2026-21072: CWE-20 Improper input validation in Samsung Mobile Samsung Mobile Devices
Description
CVE-2026-21072 is a medium severity vulnerability in Samsung Mobile Devices involving improper input validation in the VC1 codec component (libsavsvc.so). This flaw allows local attackers to write out-of-bounds memory, potentially leading to memory corruption. The issue affects versions prior to the SMR Aug-2026 Release 1. No official patch or remediation guidance is currently available from the vendor.
CVSS v4.0
Score 5.1medium
Affected software
Samsung Mobile
Samsung Mobile Devices
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability arises from improper input validation in the VC1 codec within libsavsvc.so on Samsung Mobile Devices. Specifically, it allows local attackers to perform out-of-bounds memory writes. The vulnerability is identified as CWE-20 and affects devices running software versions before the SMR Aug-2026 Release 1. The CVSS 4.0 base score is 5.1, indicating medium severity, with attack vector local and low privileges required. No known exploits are reported in the wild, and no vendor advisory or patch information is currently provided.
Potential Impact
Successful exploitation could allow a local attacker to write out-of-bounds memory, which may lead to memory corruption and potentially impact device stability or security. However, the attack requires local access and low privileges, limiting the scope of impact. There are no known active exploits in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official patch or remediation level is provided, users should monitor Samsung Mobile advisories for updates. No specific mitigations are currently documented.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- SamsungMobile
- Date Reserved
- 2025-12-11T01:33:35.824Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6a798b48bf8831d53957fd54
Added to database: 08/10/2026, 08:26:48 UTC
Last enriched: 08/17/2026, 15:36:53 UTC
Last updated: 09/23/2026, 01:47:41 UTC
Views: 37
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.