CVE-2026-115394: Ghidra through 12.2 contains an uncontrolled memory allocation vulnerability in BinaryField.read() that allows

Q: How do I fix CVE-2026-115394?

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

Q: Is CVE-2026-115394 being exploited?

CVE-2026-115394 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-2026-115394 affect?

CVE-2026-115394 affects ghidra. Severity is medium (CVSS 5.5). Ghidra through 12.2 contains an uncontrolled memory allocation vulnerability in BinaryField.read() that allows attackers to exhaust heap memory via an unchecked 32-bit length field. Attackers can persuade users to import a crafted GZF packe

Q: How urgent is CVE-2026-115394?

Priority 21/100. No elevated risk signals yet.

Routine

MEDIUM 5.5UPGRADE

CVE-2026-115394 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 through 12.2 contains an uncontrolled memory allocation vulnerability in BinaryField.read() that allows attackers to exhaust heap memory via an unchecked 32-bit length field. Attackers can persuade users to import a crafted GZF packed database file, triggering an OutOfMemoryError in PackedDatabase.open() that aborts the import and denies service.

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	0.2% (top 94%)
CISA exploited list	No
Weakness	CWE-789
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 16:56 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-2026-115394?

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

Is CVE-2026-115394 being exploited?

CVE-2026-115394 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-2026-115394 affect?

CVE-2026-115394 affects ghidra. Severity is medium (CVSS 5.5). Ghidra through 12.2 contains an uncontrolled memory allocation vulnerability in BinaryField.read() that allows attackers to exhaust heap memory via an unchecked 32-bit length field. Attackers can persuade users to import a crafted GZF packe

How urgent is CVE-2026-115394?

Priority 21/100. No elevated risk signals yet.

Related CVEs

CVE-2026-115397 MEDIUM 5.5 UPGRADE Ghidra before 12.2 contains a resource allocation without limits vulnerability in ExtensionUtils.unzipToInstal
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

References

← Back to latest CVEs