CVE-2026-54389 Ghidra < 12.1.3 PDB Parser Uncontrolled Heap Growth DoS via AbstractPdb

What is CVE-2026-54389?

CVE-2026-54389 is a medium-severity vulnerability in NationalSecurityAgency ghidra, published on 20 Aug 2026.

Official description

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.

Weakness: CWE-770

Which versions are affected by CVE-2026-54389?

How do I fix CVE-2026-54389?

No fix has been published for CVE-2026-54389 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-54389 being exploited?

There is no known exploitation of CVE-2026-54389 in the wild and no public exploit code.

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-f75p-8cqj-9v3g.