{"id":"CVE-2026-100503","revision":"47b9ade2ca374c9cad09d7039b112fef","records":[{"revision":"47b9ade2ca374c9cad09d7039b112fef","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-100503","aliases":[],"title":"Ghidra through 12.1.4 Heap Use-After-Free in Decompiler","description":"Ghidra versions through 12.1.4 contain a heap use-after-free vulnerability in the decompiler's Funcdata::opInsertAfter function caused by stale INDIRECT effect-op references. Attackers can craft a malicious binary with a specific x86-64 sequence that triggers the vulnerability during decompilation, causing the decompile helper process to crash and denying service to analysts and automated analysis pipelines.","state":0,"publishedAt":"2026-09-26T00:36:31.894+00:00","modifiedAt":"2026-10-22T09:48:42.871+00:00","affected":[{"ecosystem":"Vendor product","name":"ghidra","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"NationalSecurityAgency\",\n                    \"product\": \"ghidra\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"packageURL\": \"pkg:github/nationalsecurityagency/ghidra\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"lessThanOrEqual\": \"12.1.4\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"custom\"\n                        }\n                    ],\n                    \"repo\": \"https://github.com/NationalSecurityAgency/ghidra\"\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","score":4.8,"severity":"MEDIUM"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","score":3.3,"severity":"LOW"}],"references":["https://github.com/NationalSecurityAgency/ghidra/commit/5ef1ee4d7a25a65db195f3a70f681ca74440be61","https://github.com/NationalSecurityAgency/ghidra","https://github.com/NationalSecurityAgency/ghidra/blob/8b6bbb857accdfa20dc5b2f5dea471178c2e9fbc/Ghidra/Features/Decompiler/src/decompile/cpp/merge.cc#L462-L472","https://github.com/NationalSecurityAgency/ghidra/blob/8b6bbb857accdfa20dc5b2f5dea471178c2e9fbc/Ghidra/Features/Decompiler/src/decompile/cpp/subflow.cc#L2717-L2745","https://www.vulncheck.com/advisories/ghidra-through-12.1.4-heap-use-after-free-in-decompiler"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-100503","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-100503","identifiers":["CVE-2026-100503"]},"retained":false,"historicalAffected":[]}],"coverage":[]}