Samsung Devices JPEG Decoding libpadm.so out-of-bounds write

CVSS Meta Temp Score
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CTI Interest Score
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5.6$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Samsung Devices. The impacted element is an unknown function of the file libpadm.so of the component JPEG Decoding. The manipulation leads to out-of-bounds write. This vulnerability is documented as CVE-2025-21052. The attack needs to be performed locally. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Samsung Devices (version now known). It has been rated as critical. This issue affects some unknown processing of the file libpadm.so of the component JPEG Decoding. 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. The summary by CVE is:

Out-of-bounds write under specific condition in the pre-processing of JPEG decoding in libpadm.so prior to SMR Oct-2025 Release 1 allows local attackers to cause memory corruption.

It is possible to read the advisory at security.samsungmobile.com. The identification of this vulnerability is CVE-2025-21052 since 11/06/2024. The exploitation is known to be easy. Attacking locally is a requirement. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2025-2219). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Affected

  • Samsung Android

Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.7
VulDB Meta Temp Score: 5.6

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

NVD Base Score: 7.8
NVD Vector: 🔒

CNA Base Score: 4.0
CNA Vector (SamsungMobile): 🔒

CVSSv2info

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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

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Timelineinfo

11/06/2024 CVE reserved
10/10/2025 +337 days Advisory disclosed
10/10/2025 +0 days VulDB entry created
10/24/2025 +14 days VulDB entry last update

Sourcesinfo

Vendor: samsung.com

Advisory: security.samsungmobile.com
Status: Confirmed

CVE: CVE-2025-21052 (🔒)
GCVE (CVE): GCVE-0-2025-21052
GCVE (VulDB): GCVE-100-327851
CERT Bund: WID-SEC-2025-2219 - Samsung Android: Mehrere Schwachstellen

Entryinfo

Created: 10/10/2025 08:49
Updated: 10/24/2025 02:23
Changes: 10/10/2025 08:49 (63), 10/10/2025 15:53 (7), 10/24/2025 02:23 (11)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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