How severe is CVE-2026-52759?

CVE-2026-52759 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2026-52759 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-52759?

CVE-2026-52759 affects Nsa Ghidra. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-52759?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-52759 have an EU (EUVD) identifier?

Yes. CVE-2026-52759 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-36018.

When was CVE-2026-52759 published?

CVE-2026-52759 was published on 2026-06-10 and last updated on 2026-06-17.

CVE-2026-52759

CVE-2026-52759 is a medium-severity vulnerability in Nsa Ghidra with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-789.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v4: 6.7
EPSS exploit prediction: 0% (5th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-36018
Weakness: CWE-789
Affected product: Nsa Ghidra
Published: 2026-06-10
Last modified: 2026-06-17

Description

Ghidra before 12.1.1 contains an uncontrolled memory allocation vulnerability in the Mach-O binary parser that allows attackers to cause denial of service. An attacker can supply a crafted Mach-O binary with an arbitrarily large ncmds load command count value, forcing the parser to allocate excessive heap memory without validating file size, crashing the Ghidra JVM.

Frequently asked questions

What is CVE-2026-52759?: Ghidra before 12.1.1 contains an uncontrolled memory allocation vulnerability in the Mach-O binary parser that allows attackers to cause denial of service. An attacker can supply a crafted Mach-O binary with an arbitrarily large ncmds load command count value, forcing the parser to allocate excessive heap memory without validating file size, crashing the Ghidra JVM.
How severe is CVE-2026-52759?: CVE-2026-52759 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2026-52759 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-52759?: CVE-2026-52759 affects Nsa Ghidra. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-52759?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-52759 have an EU (EUVD) identifier?: Yes. CVE-2026-52759 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-36018.
When was CVE-2026-52759 published?: CVE-2026-52759 was published on 2026-06-10 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:nsa:ghidra:*:*:*:*:*:*:*:*

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