Vulnerability 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.
CVSS Score
LOW
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Nsa | Ghidra | <= 12.1.4 |
Related Weaknesses (CWE)
References
- https://github.com/NationalSecurityAgency/ghidraProduct
- https://github.com/NationalSecurityAgency/ghidra/blob/8b6bbb857accdfa20dc5b2f5dePatch
- https://github.com/NationalSecurityAgency/ghidra/blob/8b6bbb857accdfa20dc5b2f5dePatch
- https://github.com/NationalSecurityAgency/ghidra/commit/5ef1ee4d7a25a65db195f3a7Patch
- https://www.vulncheck.com/advisories/ghidra-through-12.1.4-heap-use-after-free-iPatchThird Party Advisory
FAQ
What is CVE-2026-100503?
CVE-2026-100503 is a vulnerability with a CVSS score of 3.3 (LOW). 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 mal...
How severe is CVE-2026-100503?
CVE-2026-100503 has been rated LOW with a CVSS base score of 3.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-100503?
Check the references section above for vendor advisories and patch information. Affected products include: Nsa Ghidra.