CVE-2025-34449

medium

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.

References

https://www.vulncheck.com/advisories/genymobile-scrcpy-global-buffer-overflow

https://github.com/marlinkcyber/advisories/blob/main/advisories/MCSAID-2025-003-scrcpy-global-buffer-overflow.md

https://github.com/Genymobile/scrcpy/issues/6415

https://github.com/Genymobile/scrcpy/commit/3e40b24

Details

Source: Mitre, NVD

Published: 2025-12-18

Updated: 2026-01-03

Risk Information

CVSS v2

Base Score: 9.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:N/A:C

Severity: High

CVSS v3

Base Score: 9.1

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Severity: Critical

CVSS v4

Base Score: 6.9

Vector: 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

Severity: Medium

EPSS

EPSS: 0.00015