Low 3.3Published Sep 26, 2026

CVE-2026-100503Ghidra through 12.1.4 Heap Use-After-Free in Decompiler

Updated under an hour ago (2026-10-19 08:00 UTC)

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It affects NationalSecurityAgency ghidra and 1 other product. Add what you run to find out whether that includes you.

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Every CVE for NationalSecurityAgency ghidra

Exploited in the last 30 days

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: 3.3 LOW (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Weakness (CWE): CWE-416
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Analyzed
Record last updated: Sep 29, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

NationalSecurityAgency ghidra nationalsecurityagency:ghidra (from the name)	through 12.1.4	CNA record
nsa ghidra nsa:ghidra	through 12.1.4	NVD

References

https://github.com/NationalSecurityAgency/ghidra/commit/5ef1ee4d7a25a65db195f3a70f681ca74440be61patch
https://github.com/NationalSecurityAgency/ghidraproduct
https://github.com/NationalSecurityAgency/ghidra/blob/8b6bbb857accdfa20dc5b2f5dea471178c2e9fbc/Ghidra/Features/Decompiler/src/decompile/cpp/merge.cc#L462-L472technical-description, patch
https://github.com/NationalSecurityAgency/ghidra/blob/8b6bbb857accdfa20dc5b2f5dea471178c2e9fbc/Ghidra/Features/Decompiler/src/decompile/cpp/subflow.cc#L2717-L2745technical-description, patch
https://www.vulncheck.com/advisories/ghidra-through-12.1.4-heap-use-after-free-in-decompilerthird-party-advisory, patch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.