How severe is CVE-2024-39721?

CVE-2024-39721 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2024-39721 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-39721?

CVE-2024-39721 affects Ollama. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-39721?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2024-39721 have an EU (EUVD) identifier?

Yes. CVE-2024-39721 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-38205.

When was CVE-2024-39721 published?

CVE-2024-39721 was published on 2024-10-31 and last updated on 2026-06-17.

CVE-2024-39721

CVE-2024-39721 is a high-severity vulnerability in Ollama with a CVSS 3.x base score of 7.5. 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-404.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 3% (84th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-38205
Weakness: CWE-404
Affected product: Ollama
Published: 2024-10-31
Last modified: 2026-06-17

Description

An issue was discovered in Ollama before 0.1.34. The CreateModelHandler function uses os.Open to read a file until completion. The req.Path parameter is user-controlled and can be set to /dev/random, which is blocking, causing the goroutine to run infinitely (even after the HTTP request is aborted by the client).

Frequently asked questions

What is CVE-2024-39721?: An issue was discovered in Ollama before 0.1.34. The CreateModelHandler function uses os.Open to read a file until completion. The req.Path parameter is user-controlled and can be set to /dev/random, which is blocking, causing the goroutine to run infinitely (even after the HTTP request is aborted by the client).
How severe is CVE-2024-39721?: CVE-2024-39721 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2024-39721 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-39721?: CVE-2024-39721 affects Ollama. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-39721?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2024-39721 have an EU (EUVD) identifier?: Yes. CVE-2024-39721 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-38205.
When was CVE-2024-39721 published?: CVE-2024-39721 was published on 2024-10-31 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ollama:ollama:*:*:*:*:*:*:*:*

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