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Medium

Ghidra through 12.1.4 Heap Use-After-Free in Decompiler

Type: advisorySource: Official CVE List1 source record

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.

Announced Source revision 1
Original source ↗

CVE-2026-100503

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2026-100503

ghidra

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "repo": "https://github.com/NationalSecurityAgency/ghidra",
    "vendor": "NationalSecurityAgency",
    "product": "ghidra",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "versionType": "custom",
        "lessThanOrEqual": "12.1.4"
      }
    ],
    "packageURL": "pkg:github/nationalsecurityagency/ghidra",
    "defaultStatus": "unaffected"
  }
]
Related CVEs
CVE-2026-100503

Source reference: /cveMetadata/cveId

Publisher severity

medium

Source reference: /containers/cna/metrics

Event
#50147 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement