Vulnerability · Published Oct 22, 2026 · Assigned by VulnCheck

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

Medium 5.5

In plain English

A medium-severity resource allocation without limits in ghidra from NationalSecurityAgency. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 7% of all known vulnerabilities).

Severity (CVSS 3.1)5.5Medium

Exploit odds (30 days)0.2%top 92.6% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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 (as reported)

Vendor	Product	Versions
NationalSecurityAgency	ghidra	0 – before 12.2

Weakness: CWE-770 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References

GitHub Security Advisory (GHSA-vvp8-22p8-x954) vendor-advisory
https://github.com/NationalSecurityAgency/ghidra/commit/061ec06a79f4147267f6fc690b0dcf944b2d4957 patch
ghidra Ghidra_12.2_build Release Notes release-notes
https://github.com/NationalSecurityAgency/ghidra product
VulnCheck Advisory: Ghidra before 12.2 Denial of Service via TAR and ZIP File System Mount third-party-advisory