CVE-2026-115398: DoS (CVSS 5.5)

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.

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CVSS v3.1 Score

5.5

MEDIUM

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

Weakness Type (CWE)

CWE-770 CWE-770

References

Other References

https://github.com/NationalSecurityAgency/ghidra https://github.com/NationalSecurityAgency/ghidra/commit/061ec06a79f4147267f6fc690b0dcf944b2d4957 https://github.com/NationalSecurityAgency/ghidra/releases/tag/Ghidra_12.2_build https://github.com/NationalSecurityAgency/ghidra/security/advisories/GHSA-vvp8-22p8-x954 https://www.vulncheck.com/advisories/ghidra-before-12.2-denial-of-service-via-tar-and-zip-file-system-mount

Frequently Asked Questions

What is CVE-2026-115398? +

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. It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2026-115398? +

CVE-2026-115398 has a CVSS v3.1 score of 5.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

How do I check if I'm vulnerable to CVE-2026-115398? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2026-115398