Medium severity · published Oct 22, 2026
CVE-2026-115503
Ghidra before 12.2 Denial of Service via Compressed Extension Archive
New
5.5
CVSS
0.1%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 2% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GH
ghidra · NationalSecurityAgency
before 12.2 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-115503
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-115503
github.com
https://github.com/NationalSecurityAgency/ghidra
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/security/advisories/GHSA-mcjr-7qqr-m3w8
www.vulncheck.com
https://www.vulncheck.com/advisories/ghidra-before-12.2-denial-of-service-via-compressed-extension-archive
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