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CVE-2025-34449— Genymobile/scrcpy <= 3.3.3 Global Buffer Overflow

Quick assessment

Affected
Genymobile scrcpy
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.

scrcpy是Genymobile开源的一个Android设备控制软件。 scrcpy 3.3.3及之前版本和3e40b24之前版本存在缓冲区错误漏洞，该漏洞源于sc_read32be函数存在全局缓冲区溢出，可能导致内存损坏或崩溃。

AI Predicted 7.5 Difficulty: Moderate EPSS 0.41% · P35
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I. Basic Information for CVE-2025-34449

Vulnerability Information
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Vulnerability Title
Genymobile/scrcpy <= 3.3.3 Global Buffer Overflow
Source: CVE Program / CVE List V5
Vulnerability Description
Genymobile/scrcpy versions up to and including 3.3.3, prior to commit 3e40b24, contain a buffer overflow vulnerability in the sc_device_msg_deserialize() function. A compromised device can send crafted messages that cause out-of-bounds reads, which may result in memory corruption or a denial-of-service condition. This vulnerability may allow further exploitation on the host system.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
可信数据的反序列化
Source: CVE Program / CVE List V5
Vulnerability Title
scrcpy 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
scrcpy是Genymobile开源的一个Android设备控制软件。 scrcpy 3.3.3及之前版本和3e40b24之前版本存在缓冲区错误漏洞，该漏洞源于sc_read32be函数存在全局缓冲区溢出，可能导致内存损坏或崩溃。
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
Genymobile scrcpy 0 ~ 3.3.3 -

II. Public POCs for CVE-2025-34449

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III. Intelligence Information for CVE-2025-34449

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Patches & Fixes for CVE-2025-34449 (1)

Other References for CVE-2025-34449 (3)

IV. Related Vulnerabilities

Same weakness: CWE-502

V. Comments for CVE-2025-34449

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