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Attackers can transmit a crafted OOK radio signal or supply a crafted signal file to crash rtl_433 and corrupt stack memory, enabling control-flow hijacking on builds without stack canaries.","state":0,"publishedAt":"2026-10-28T02:03:18.083+00:00","modifiedAt":"2026-10-28T16:12:02.323+00:00","affected":[{"ecosystem":"Vendor product","name":"rtl_433","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"merbanan\",\n                    \"product\": \"rtl_433\",\n                    \"repo\": \"https://github.com/merbanan/rtl_433\",\n                    \"packageURL\": \"pkg:github/merbanan/rtl_433\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"21.12\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"custom\",\n                            \"lessThanOrEqual\": \"25.12\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N","score":7.1,"severity":"HIGH"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H","score":7.1,"severity":"HIGH"}],"references":["https://github.com/merbanan/rtl_433/issues/3739","https://github.com/merbanan/rtl_433/pull/3740","https://github.com/merbanan/rtl_433/commit/f35183aaf1d2d905d422fd70bcae4eb7349d6186","https://github.com/merbanan/rtl_433/blob/25.12/src/devices/proflame2.c#L46-L95","https://github.com/merbanan/rtl_433","https://www.vulncheck.com/advisories/rtl-433-through-25.12-stack-based-buffer-overflow-via-proflame-2-decoder"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-117609","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-117609","identifiers":["CVE-2026-117609"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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