Samsung Device up to SMR Jan-2021 Release 1 Memory libpadm.so out-of-bounds write

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k1.78

Summaryinfo

A vulnerability, which was classified as problematic, was found in Samsung Device. This issue affects some unknown processing of the file libpadm.so of the component Memory Handler. Such manipulation leads to out-of-bounds write. This vulnerability is traded as CVE-2026-21049. An attack has to be approached locally. There is no exploit available.

Detailsinfo

A vulnerability was found in Samsung Device. It has been rated as problematic. Affected by this issue is some unknown functionality of the file libpadm.so of the component Memory Handler. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Out-of-bounds write in libpadm.so library prior to SMR Jul-2026 Release 1 allows local attackers to execute arbitrary code.

The advisory is available at security.samsungmobile.com. This vulnerability is handled as CVE-2026-21049 since 12/11/2025. The exploitation is known to be easy. Local access is required to approach this attack. Technical details are known, but there is no available exploit.

Upgrading to version SMR Jul-2026 Release eliminates this vulnerability.

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Productinfo

Vendor

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Upgrade: Device SMR Jul-2026 Release

Timelineinfo

12/11/2025 CVE reserved
07/10/2026 +210 days Advisory disclosed
07/10/2026 +0 days VulDB entry created
07/10/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: samsung.com

Advisory: security.samsungmobile.com
Status: Confirmed

CVE: CVE-2026-21049 (🔒)
GCVE (CVE): GCVE-0-2026-21049
GCVE (VulDB): GCVE-100-377414

Entryinfo

Created: 07/10/2026 08:20
Updated: 07/10/2026 08:29
Changes: 07/10/2026 08:20 (53), 07/10/2026 08:29 (2)
Complete: 🔍
Cache ID: 216::103

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