CVE-2026-115397: Ghidra before 12.2 contains a resource allocation without limits vulnerability in ExtensionUtils.unzipToInstal

Q: How do I fix CVE-2026-115397?

ghidra: upgrade to 12.2. Exact commands for each OS are on this page.

Q: Is CVE-2026-115397 being exploited?

CVE-2026-115397 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-115397 affect?

CVE-2026-115397 affects ghidra. Severity is medium (CVSS 5.5). Ghidra before 12.2 contains a resource allocation without limits vulnerability in ExtensionUtils.unzipToInstallationFolder() that extracts every extension ZIP entry without limiting file count. Attackers who persuade a user to install a cra

Q: How urgent is CVE-2026-115397?

Priority 20/100. No elevated risk signals yet.

Routine

MEDIUM 5.5UPGRADE

CVE-2026-115397 is a medium-severity flaw (CVSS 5.5) affecting ghidra. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Ghidra before 12.2 contains a resource allocation without limits vulnerability in ExtensionUtils.unzipToInstallationFolder() that extracts every extension ZIP entry without limiting file count. Attackers who persuade a user to install a crafted extension archive with many files can exhaust filesystem inodes, causing project writes and other processes to fail.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	5.5 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.1% (top 98%)
CISA exploited list	No
Weakness	CWE-770
Published	2026-10-22
Last modified	2026-10-29

Publisher (CNA): VulnCheck · Vendor: nsa

Last updated 2026-10-29 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-10-22 19:17 UTCPublished CVE record published
2026-10-29 17:28 UTCUpdated Record last modified

nsa ghidra UPGRADE

Affected: < 12.2

Fixed in: 12.2

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy ghidra || rpm -q ghidra || ghidra --version

2. UPGRADE to 12.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade ghidra

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade ghidra

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-115397?

ghidra: upgrade to 12.2. Exact commands for each OS are on this page.

Is CVE-2026-115397 being exploited?

CVE-2026-115397 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-115397 affect?

CVE-2026-115397 affects ghidra. Severity is medium (CVSS 5.5). Ghidra before 12.2 contains a resource allocation without limits vulnerability in ExtensionUtils.unzipToInstallationFolder() that extracts every extension ZIP entry without limiting file count. Attackers who persuade a user to install a cra

How urgent is CVE-2026-115397?

Priority 20/100. No elevated risk signals yet.

Related CVEs

CVE-2026-115398 MEDIUM 5.5 UPGRADE Ghidra before 12.2 contains a resource allocation without limits vulnerability in FileSystemIndexHelper used b
CVE-2026-115503 MEDIUM 5.5 UPGRADE Ghidra before 12.2 contains an improper handling of highly compressed data vulnerability in ExtensionUtils.unz
CVE-2026-115396 MEDIUM 5.5 UPGRADE Ghidra 10.3 before 12.2 contains an improper handling of highly compressed data vulnerability in ThemeReader.p
CVE-2026-115395 MEDIUM 5.5 UPGRADE Ghidra 10.3 before 12.2 contains a resource allocation without limits vulnerability in ThemeReader.readZipThem
CVE-2026-115394 MEDIUM 5.5 UPGRADE Ghidra through 12.2 contains an uncontrolled memory allocation vulnerability in BinaryField.read() that allows

References

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