{"id":"CVE-2026-100503","title":"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","summary":"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 …","severity":"low","cvss":3.3,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","cwe":["CWE-416"],"vendor":"NationalSecurityAgency","product":"ghidra","affected":["ghidra <= 12.1.4"],"published":"2026-09-26","updated":"2026-09-26","sourceUpdated":"2026-09-26T01:16:59.880","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-100503","references":[{"url":"https://github.com/NationalSecurityAgency/ghidra","label":"disclosure@vulncheck.com"},{"url":"https://github.com/NationalSecurityAgency/ghidra/blob/8b6bbb857accdfa20dc5b2f5dea471178c2e9fbc/Ghidra/Features/Decompiler/src/decompile/cpp/merge.cc#L462-L472","label":"disclosure@vulncheck.com"},{"url":"https://github.com/NationalSecurityAgency/ghidra/blob/8b6bbb857accdfa20dc5b2f5dea471178c2e9fbc/Ghidra/Features/Decompiler/src/decompile/cpp/subflow.cc#L2717-L2745","label":"disclosure@vulncheck.com"},{"url":"https://github.com/NationalSecurityAgency/ghidra/commit/5ef1ee4d7a25a65db195f3a70f681ca74440be61","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/ghidra-through-12.1.4-heap-use-after-free-in-decompiler","label":"disclosure@vulncheck.com"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-09-26T01:24:36.885Z","slug":"CVE-2026-100503","body":"## Overview\n\nGhidra 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":18,"depthScoreParts":{"impact":18.2,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}