What’s Vulnerable › Vulnerabilities

CVE-2026-115398: Ghidra before 12.2 Denial of Service via TAR and ZIP File System Mount

• 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-770

Description

Ghidra before 12.2 contains a resource allocation without limits vulnerability in FileSystemIndexHelper used by TarFileSystem and ZipFileSystem, which store unbounded archive entries. Attackers can persuade a user to open or batch-import a crafted TAR or ZIP archive with excessive entries to exhaust the Java heap and hang the session.

Affected products

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

How to fix

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

References

• https://github.com/NationalSecurityAgency/ghidra
• https://github.com/NationalSecurityAgency/ghidra/commit/061ec06a79f4147267f6fc690b0dcf944b2d4957
• https://github.com/NationalSecurityAgency/ghidra/releases/tag/Ghidra_12.2_build
• https://github.com/NationalSecurityAgency/ghidra/security/advisories/GHSA-vvp8-22p8-x954
• https://www.vulncheck.com/advisories/ghidra-before-12.2-denial-of-service-via-tar-and-zip-file-system-mount

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