CVE-2026-100503
Ghidra through 12.1.4 Heap Use-After-Free in Decompiler
CVSS Score
3.3
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-416 |
| Vendor | nationalsecurityagency |
| Product | ghidra |
| Published | Sep 26, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low
Affected Versions
NationalSecurityAgency / ghidra
0 ≤ 12.1.4
References
github.com: https://github.com/NationalSecurityAgency/ghidra/commit/5ef1ee4d7a25a65db195f3a70f681ca74440be61 github.com: https://github.com/NationalSecurityAgency/ghidra github.com: https://github.com/NationalSecurityAgency/ghidra/blob/8b6bbb857accdfa20dc5b2f5dea471178c2e9fbc/Ghidra/Features/Decompiler/src/decompile/cpp/merge.cc#L462-L472 github.com: https://github.com/NationalSecurityAgency/ghidra/blob/8b6bbb857accdfa20dc5b2f5dea471178c2e9fbc/Ghidra/Features/Decompiler/src/decompile/cpp/subflow.cc#L2717-L2745 vulncheck.com: https://www.vulncheck.com/advisories/ghidra-through-12.1.4-heap-use-after-free-in-decompiler