Resource exhaustion in Nationalsecurityagency Ghidra

CVE-2026-54389

Ghidra before 12.1.3 contains an uncontrolled resource consumption vulnerability in the PDB parser that allows attackers to terminate the Ghidra process by supplying a crafted PDB file with an oversized parameters section. The AbstractPdb deserialization routine reads all remaining parameters into an unbounded list, causing uncontrolled heap growth that triggers an OutOfMemoryError which bypasses exception handling and crashes the application.

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.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-54389?
CVE-2026-54389 is a medium-severity vulnerability in Nationalsecurityagency Ghidra, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 5.5/10. Published 2026-08-20.
How severe is CVE-2026-54389?
Medium severity. CVSS v3 base score is 5.5 out of 10.