What’s Vulnerable › Vulnerabilities

CVE-2026-115394: Ghidra through 12.2 Denial of Service via BinaryField Memory Allocation

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-22 · updated 2026-10-29
• Weakness: CWE-789

Description

Ghidra through 12.2 contains an uncontrolled memory allocation vulnerability in BinaryField.read() that allows attackers to exhaust heap memory via an unchecked 32-bit length field. Attackers can persuade users to import a crafted GZF packed database file, triggering an OutOfMemoryError in PackedDatabase.open() that aborts the import and denies service.

Affected products

• nationalsecurityagency ghidra: before 12.2 — fixed in 12.2
• nationalsecurityagency ghidra: through 12.2

How to fix

Upgrade to a fixed version: nationalsecurityagency ghidra 12.2. Check the vendor advisory for mitigations.

References

• https://github.com/NationalSecurityAgency/ghidra
• https://github.com/NationalSecurityAgency/ghidra/blob/Ghidra_12.2_build/Ghidra/Framework/DB/src/main/java/db/BinaryField.java#L105-L113
• https://github.com/NationalSecurityAgency/ghidra/blob/Ghidra_12.2_build/Ghidra/Framework/DB/src/main/java/db/buffers/DataBuffer.java#L170-L174
• https://github.com/NationalSecurityAgency/ghidra/security/advisories/GHSA-q538-hhhf-5jxp
• https://www.vulncheck.com/advisories/ghidra-through-12.2-denial-of-service-via-binaryfield-memory-allocation

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