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Medium severity · published Oct 22, 2026
CVE-2026-115398
Ghidra before 12.2 Denial of Service via TAR and ZIP File System Mount
New
5.5
CVSS
0.2%
EPSS
No
On KEV
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.
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)0.2% · higher than 6% 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
Affected product
GH
ghidra
NationalSecurityAgency
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-115398
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-115398
github.com
https://github.com/NationalSecurityAgency/ghidra
github.com
https://github.com/NationalSecurityAgency/ghidra/commit/061ec06a79f4147267f6fc690b0dcf944b2d4957
github.com
https://github.com/NationalSecurityAgency/ghidra/releases/tag/Ghidra_12.2_build
github.com
https://github.com/NationalSecurityAgency/ghidra/security/advisories/GHSA-vvp8-22p8-x954
www.vulncheck.com
https://www.vulncheck.com/advisories/ghidra-before-12.2-denial-of-service-via-tar-and-zip-file-system-mount
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