What’s Vulnerable › Vulnerabilities

CVE-2026-115503: Ghidra before 12.2 Denial of Service via Compressed Extension Archive

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% 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-409

Description

Ghidra before 12.2 contains an improper handling of highly compressed data vulnerability in ExtensionUtils.unzipToInstallationFolder() that allows attackers to exhaust disk space. Attackers can persuade users to install a crafted zip bomb extension archive that expands without size limits, causing later writes by Ghidra and other applications to fail.

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/2c2bc5be182d655c9df418ac35b9782f39b6a784
• https://github.com/NationalSecurityAgency/ghidra/releases/tag/Ghidra_12.2_build
• https://github.com/NationalSecurityAgency/ghidra/security/advisories/GHSA-mcjr-7qqr-m3w8
• https://www.vulncheck.com/advisories/ghidra-before-12.2-denial-of-service-via-compressed-extension-archive

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