{"id":"CVE-2025-34450","aliases":["DEBIAN-CVE-2025-34450","EUVD-2025-204399","GHSA-h7qg-49w9-4cpx","UBUNTU-CVE-2025-34450"],"status":"published","title":"merbanan/rtl_433 \u003c= 25.02 Stack-based Buffer Overflow","description":"merbanan/rtl_433 versions up to and including 25.02 and prior to commit 25e47f8 contain a stack-based buffer overflow vulnerability in the function parse_rfraw() located in src/rfraw.c. When processing crafted or excessively large raw RF input data, the application may write beyond the bounds of a stack buffer, resulting in memory corruption or a crash. 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.","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":0.00227,"percentile":0.13591,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-121","CWE-787"],"published":"2025-12-18T21:15:50Z","modified":"2026-10-28T02:30:23Z","fixes":[{"ecosystem":"Debian:13","package":"rtl-433","fixed_in":["25.02-1+deb13u1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"rtl-433","fixed_in":["25.12-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"rtl-433","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["22.11+git20230213+ds-1","22.11-1","23.11-1","23.11-2","24.10-1","25.02-1","25.02-1.1","25.12-1","26.07-1"]},{"source":"osv","ecosystem":"Debian:13","package":"rtl-433","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"25.02-1+deb13u1"}]}],"versions":["25.02-1"]},{"source":"osv","ecosystem":"Debian:14","package":"rtl-433","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"25.12-1"}]}],"versions":["25.02-1","25.02-1.1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"rtl-433","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["19.08-1","19.08-1build1","19.08-2","20.02-1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"rtl-433","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20.11-1","21.05-2","21.05-2build1","21.12-1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"rtl-433","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["22.11-1","23.11-1","23.11-1build1"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"rtl-433","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["25.02-1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"rtl-433","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["25.12-1","26.07-1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"rtl-433","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["25.02-1","25.02-1.1","25.12-1"]}],"products":[{"vendor":"merbanan","product":"rtl_433"},{"vendor":"rtl_433_project","product":"rtl_433"}],"references":[{"url":"https://github.com/marlinkcyber/advisories/blob/main/advisories/MCSAID-2025-004-rtl_433-rfraw-parse-overflow.md","tags":["technical-description","exploit","Exploit","Third Party Advisory","evidence","report"]},{"url":"https://github.com/merbanan/rtl_433/issues/3375","tags":["issue-tracking","Exploit","Issue Tracking","Patch","report"]},{"url":"https://github.com/dd32/rtl_433/commit/25e47f8","tags":["patch","Patch","fix","report"]},{"url":"https://www.vulncheck.com/advisories/merbanan-rtl-433-stack-based-buffer-overflow","tags":["third-party-advisory","Third Party Advisory","advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-34450","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-h7qg-49w9-4cpx"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/34xxx/CVE-2025-34450.json","tags":["advisory"]},{"url":"https://github.com/merbanan/rtl_433","tags":["package"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2025-34450","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2025-34450","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2025-34450","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2025-34450","title":"merbanan/rtl_433 \u003c= 25.02 Stack-based Buffer Overflow","description":"merbanan/rtl_433 versions up to and including 25.02 and prior to commit 25e47f8 contain a stack-based buffer overflow vulnerability in the function parse_rfraw() located in src/rfraw.c. When processing crafted or excessively large raw RF input data, the application may write beyond the bounds of a stack buffer, resulting in memory corruption or a crash. 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":"2025-12-18T21:15:50.73Z","modified":"2026-05-14T02:08:48.52Z","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","assessor":"cna"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T14:32:54.534202Z"}],"euvd":[{"id":"EUVD-2025-204399","description":"merbanan/rtl_433 versions up to and including 25.02 and prior to commit 25e47f8 contain a stack-based buffer overflow vulnerability in the function parse_rfraw() located in src/rfraw.c. When processing crafted or excessively large raw RF input data, the application may write beyond the bounds of a stack buffer, resulting in memory corruption or a crash. 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":"2025-12-18T21:15:50Z","modified":"2026-05-14T02:08:48Z","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":"2026-11-02T19:04:31.993983Z"}],"ghsa":[{"id":"GHSA-h7qg-49w9-4cpx","title":"merbanan/rtl_433 versions up to and including 25.02 and prior to commit 25e47f8 contain a stack...","description":"merbanan/rtl_433 versions up to and including 25.02 and prior to commit 25e47f8 contain a stack-based buffer overflow vulnerability in the function parse_rfraw() located in src/rfraw.c. When processing crafted or excessively large raw RF input data, the application may write beyond the bounds of a stack buffer, resulting in memory corruption or a crash. 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":"2025-12-19T00:31:42Z","modified":"2025-12-31T18:31:21Z","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":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-121","CWE-787"],"updated_at":"2026-11-02T15:05:24.798125Z"}],"nvd":[{"id":"CVE-2025-34450","description":"merbanan/rtl_433 versions up to and including 25.02 and prior to commit 25e47f8 contain a stack-based buffer overflow vulnerability in the function parse_rfraw() located in src/rfraw.c. When processing crafted or excessively large raw RF input data, the application may write beyond the bounds of a stack buffer, resulting in memory corruption or a crash. 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":"2025-12-18T22:15:56.163Z","modified":"2026-06-17T09:14:00.193Z","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":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-121","CWE-787"],"updated_at":"2026-11-02T14:11:52.309391Z"}],"osv":[{"id":"CVE-2025-34450","title":"merbanan/rtl_433 \u003c= 25.02 Stack-based Buffer Overflow","description":"merbanan/rtl_433 versions up to and including 25.02 and prior to commit 25e47f8 contain a stack-based buffer overflow vulnerability in the function parse_rfraw() located in src/rfraw.c. When processing crafted or excessively large raw RF input data, the application may write beyond the bounds of a stack buffer, resulting in memory corruption or a crash. 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":"2025-12-18T21:15:50.73Z","modified":"2026-10-28T02:30:23.965204527Z","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-121"],"updated_at":"2026-11-02T15:44:48.02508Z"},{"id":"DEBIAN-CVE-2025-34450","description":"merbanan/rtl_433 versions up to and including 25.02 and prior to commit 25e47f8 contain a stack-based buffer overflow vulnerability in the function parse_rfraw() located in src/rfraw.c. When processing crafted or excessively large raw RF input data, the application may write beyond the bounds of a stack buffer, resulting in memory corruption or a crash. 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":"2025-12-18T22:15:56.163Z","modified":"2026-09-01T20:05:46.222084547Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:45.870237Z"},{"id":"UBUNTU-CVE-2025-34450","description":"merbanan/rtl_433 versions up to and including 25.02 and prior to commit 25e47f8 contain a stack-based buffer overflow vulnerability in the function parse_rfraw() located in src/rfraw.c. When processing crafted or excessively large raw RF input data, the application may write beyond the bounds of a stack buffer, resulting in memory corruption or a crash. 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":"2025-12-18T22:15:00Z","modified":"2026-10-17T12:57:27.356820723Z","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":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T16:55:28.829873Z"}]}}