CVE-2026-115503

MEDIUM 5.5

Ghidra before 12.2 Denial of Service via Compressed Extension Archive

CVSS Score

5.5

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-409
Vendor	nationalsecurityagency
Product	ghidra
Published	Oct 22, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Affected Versions

NationalSecurityAgency / ghidra

0 < 12.2

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

Yuvraj Saxena (0xXA)