CVE-2026-21069: CWE-681 Incorrect Conversion between Numeric Types in Samsung Mobile Samsung Mobile Devices
Incorrect conversion between numeric types in VC1 codec in libsavsvc.so prior to SMR Aug-2026 Release 1 allows local attackers to write out-of-bounds memory.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-21069) arises from an incorrect conversion between numeric types in the VC1 codec component of libsavsvc.so on Samsung Mobile Devices. The flaw enables local attackers to perform out-of-bounds memory writes, which could cause memory corruption or other unintended behavior. It affects versions before the SMR August 2026 Release 1. The CVSS 4.0 base score is 5.1, indicating medium severity. No vendor advisory or patch information is currently available, and no active exploitation has been reported.
Potential Impact
Local attackers can exploit this vulnerability to write out-of-bounds memory, which may lead to memory corruption and potentially impact device stability or security. However, the attack vector is local, and no known exploits are currently in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or remediation level is provided, users should monitor Samsung Mobile advisories for updates and apply the SMR August 2026 Release 1 or later once available.
CVE-2026-21069: CWE-681 Incorrect Conversion between Numeric Types in Samsung Mobile Samsung Mobile Devices
Description
Incorrect conversion between numeric types in VC1 codec in libsavsvc.so prior to SMR Aug-2026 Release 1 allows local attackers to write out-of-bounds memory.
CVSS v4.0
Score 5.1medium
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-21069) arises from an incorrect conversion between numeric types in the VC1 codec component of libsavsvc.so on Samsung Mobile Devices. The flaw enables local attackers to perform out-of-bounds memory writes, which could cause memory corruption or other unintended behavior. It affects versions before the SMR August 2026 Release 1. The CVSS 4.0 base score is 5.1, indicating medium severity. No vendor advisory or patch information is currently available, and no active exploitation has been reported.
Potential Impact
Local attackers can exploit this vulnerability to write out-of-bounds memory, which may lead to memory corruption and potentially impact device stability or security. However, the attack vector is local, and no known exploits are currently in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or remediation level is provided, users should monitor Samsung Mobile advisories for updates and apply the SMR August 2026 Release 1 or later once available.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- SamsungMobile
- Date Reserved
- 2025-12-11T01:33:35.824Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a798b48bf8831d53957fd4b
Added to database: 08/10/2026, 08:26:48 UTC
Last enriched: 08/10/2026, 09:01:39 UTC
Last updated: 08/11/2026, 00:41:10 UTC
Views: 8
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