{"id":"CVE-2025-34449","aliases":["EUVD-2025-204398","GHSA-wvmf-999m-w27j","UBUNTU-CVE-2025-34449"],"status":"published","title":"Genymobile/scrcpy \u003c= 3.3.3 Global Buffer Overflow","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.","severity":{"version":"4.0","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","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.0042,"percentile":0.36742,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119","CWE-502"],"published":"2025-12-18T21:15:23Z","modified":"2026-10-28T02:30:30Z","affected":[{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"scrcpy","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.12.1+ds-1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"scrcpy","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.17-1","1.19-1","1.21-1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"scrcpy","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.25-1ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"scrcpy","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.25-1.1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"scrcpy","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.3.4-1","4.1-1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"scrcpy","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.25-1.1","3.3.2-1","3.3.4-1"]}],"products":[{"vendor":"genymobile","product":"scrcpy"},{"vendor":"genymotion","product":"scrcpy"}],"references":[{"url":"https://github.com/marlinkcyber/advisories/blob/main/advisories/MCSAID-2025-003-scrcpy-global-buffer-overflow.md","tags":["technical-description","exploit","Exploit","Third Party Advisory","evidence","report"]},{"url":"https://github.com/Genymobile/scrcpy/issues/6415","tags":["issue-tracking","Exploit","Issue Tracking","Patch","report"]},{"url":"https://github.com/Genymobile/scrcpy/commit/3e40b24","tags":["patch","Patch","fix","report"]},{"url":"https://www.vulncheck.com/advisories/genymobile-scrcpy-global-buffer-overflow","tags":["third-party-advisory","Third Party Advisory","advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-34449","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-wvmf-999m-w27j"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/34xxx/CVE-2025-34449.json","tags":["advisory"]},{"url":"https://github.com/Genymobile/scrcpy","tags":["package"]},{"url":"https://ubuntu.com/security/CVE-2025-34449","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2025-34449","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2025-34449","title":"Genymobile/scrcpy \u003c= 3.3.3 Global Buffer Overflow","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.","status":"published","published":"2025-12-18T21:15:23.069Z","modified":"2026-03-23T15:43:52.304Z","cvss":[{"version":"4.0","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","level":"medium","assessor":"cna"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:32:54.1527Z"}],"euvd":[{"id":"EUVD-2025-204398","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.","status":"published","published":"2025-12-18T21:15:23Z","modified":"2026-03-23T15:43:52Z","cvss":[{"version":"4.0","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","level":"medium"}],"updated_at":"2026-11-02T19:25:31.168902Z"}],"ghsa":[{"id":"GHSA-wvmf-999m-w27j","title":"Genymobile/scrcpy versions up to and including 3.3.3 and prior to commit 3e40b24 contain a global...","description":"Genymobile/scrcpy versions up to and including 3.3.3 and prior to commit 3e40b24 contain a global buffer overflow vulnerability in the function sc_read32be, invoked via sc_device_msg_deserialize() and process_msgs(). Processing crafted device messages can cause reads beyond the bounds of a global buffer, leading to memory corruption or crashes. This vulnerability can be exploited to cause a denial of service and, under certain conditions, may be leveraged for further exploitation depending on the execution environment and available mitigations.","status":"published","published":"2025-12-19T00:31:41Z","modified":"2025-12-31T18:30:19Z","cvss":[{"version":"4.0","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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"},{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","level":"critical"}],"cwes":["CWE-119","CWE-502"],"updated_at":"2026-11-02T15:05:24.798125Z"}],"nvd":[{"id":"CVE-2025-34449","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.","status":"published","published":"2025-12-18T22:15:56.003Z","modified":"2026-09-30T23:10:00.237Z","cvss":[{"version":"4.0","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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","level":"critical","assessor":"primary"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:11:52.309391Z"}],"osv":[{"id":"CVE-2025-34449","title":"Genymobile/scrcpy \u003c= 3.3.3 Global Buffer Overflow","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.","status":"published","published":"2025-12-18T21:15:23.069Z","modified":"2026-10-28T02:30:30.943386473Z","cvss":[{"version":"4.0","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","level":"medium"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T15:44:48.02508Z"},{"id":"UBUNTU-CVE-2025-34449","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.","status":"published","published":"2025-12-18T22:15:00Z","modified":"2026-10-17T12:57:02.334302453Z","cvss":[{"version":"4.0","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","level":"medium"},{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","level":"critical"}],"updated_at":"2026-11-02T16:55:28.829873Z"}]}}