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.
https://github.com/NationalSecurityAgency/ghidra/security/advisories/GHSA-vvp8-22p8-x954
https://github.com/NationalSecurityAgency/ghidra/releases/tag/Ghidra_12.2_build
https://github.com/NationalSecurityAgency/ghidra/commit/061ec06a79f4147267f6fc690b0dcf944b2d4957
Published: 2026-10-22
Updated: 2026-10-22
Base Score: 4.9
Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:C
Severity: Medium
Base Score: 5.5
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Severity: Medium
Base Score: 6.8
Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Severity: Medium