Vulnerability in Nationalsecurityagency Ghidra
CVE-2026-49495
Ghidra 10.2 before 12.1 contains an uncontrolled resource consumption vulnerability in ExportTrie.parseTrie() that lacks cycle detection when traversing Mach-O binary export tries. A crafted Mach-O binary with circular references in the export trie causes unbounded queue growth and exponential string concatenation, triggering OutOfMemoryError that crashes the entire JVM and loses all unsaved work.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.002 (4.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 5th percentile — 4.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Nationalsecurityagency Ghidra — versions 10.2, 12.1
- Nsa Ghidra
Weakness classification (CWE)
References
- github.com/NationalSecurityAgency/ghidra/security/advisories/GHSA-wm33-9f68-3vjg (Exploit, vendor-advisory, Mitigation, Vendor Advisory)
- www.vulncheck.com/advisories/ghidra-denial-of-service-via-circular-reference-in… (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-49495?
- CVE-2026-49495 is a medium-severity vulnerability in Nationalsecurityagency Ghidra, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 5.5/10. Published 2026-06-10.
- How severe is CVE-2026-49495?
- Medium severity. CVSS v3 base score is 5.5 out of 10.