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CVE-2025-21006

Quick assessment

Affected
Samsung Mobile libsavsvc.so
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

SAMSUNG Mobile devices是韩国三星（SAMSUNG）公司的一系列的三星移动设备，包括手机、平板等。 SAMSUNG Mobile devices存在安全漏洞，该漏洞源于MPEG4编解码器处理宏块时存在越界写入，可能导致内存损坏。

CVSS 7.0 · High EPSS 0.12% · P3

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2025-21006

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Out-of-bounds write in handling of macro blocks for MPEG4 codec in libsavsvc.so prior to Android 15 allows local attackers to write out-of-bounds memory.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
SAMSUNG Mobile devices 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SAMSUNG Mobile devices是韩国三星（SAMSUNG）公司的一系列的三星移动设备，包括手机、平板等。 SAMSUNG Mobile devices存在安全漏洞，该漏洞源于MPEG4编解码器处理宏块时存在越界写入，可能导致内存损坏。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Samsung Mobile libsavsvc.so Android 15 -

II. Public POCs for CVE-2025-21006

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III. Intelligence Information for CVE-2025-21006

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Vendor Advisories for CVE-2025-21006 (1)

Same Patch Batch · Samsung Mobile · 2025-07-08 · 15 CVEs total

CVE-2025-20983 6.4 MEDIUM SAMSUNG Mobile devices 安全漏洞
CVE-2025-20982 6.4 MEDIUM SAMSUNG Mobile devices 安全漏洞
CVE-2025-21004 6.2 MEDIUM SAMSUNG Mobile devices 安全漏洞
CVE-2025-21002 6.2 MEDIUM SAMSUNG Mobile devices 安全漏洞
CVE-2025-21001 6.2 MEDIUM SAMSUNG Mobile devices 安全漏洞
CVE-2025-21000 6.2 MEDIUM SAMSUNG Mobile devices 安全漏洞
CVE-2025-20997 6.2 MEDIUM SAMSUNG Mobile devices 安全漏洞
CVE-2025-21009 5.5 MEDIUM SAMSUNG Mobile devices 安全漏洞
CVE-2025-21008 5.5 MEDIUM SAMSUNG Mobile devices 安全漏洞
CVE-2025-21007 5.5 MEDIUM SAMSUNG Mobile devices 安全漏洞
CVE-2025-21005 5.5 MEDIUM SAMSUNG Mobile devices 安全漏洞
CVE-2025-20998 5.5 MEDIUM SAMSUNG Mobile devices 安全漏洞
CVE-2025-20999 4.1 MEDIUM SAMSUNG Mobile devices 安全漏洞
CVE-2025-21003 4.0 MEDIUM SAMSUNG Mobile devices 安全漏洞

IV. Related Vulnerabilities

Same product: libsavsvc.so
Same vendor: Samsung Mobile

V. Comments for CVE-2025-21006

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