How severe is CVE-2025-0312?

CVE-2025-0312 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-2025-0312 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-0312?

CVE-2025-0312 affects Ollama. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-0312?

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-2025-0312 have an EU (EUVD) identifier?

Yes. CVE-2025-0312 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-6816.

When was CVE-2025-0312 published?

CVE-2025-0312 was published on 2025-03-20 and last updated on 2026-06-17.

CVE-2025-0312

CVE-2025-0312 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-476.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-6816
Weakness: CWE-476
Affected product: Ollama
Published: 2025-03-20
Last modified: 2026-06-17

Description

A vulnerability in ollama/ollama versions <=0.3.14 allows a malicious user to create a customized GGUF model file that, when uploaded and created on the Ollama server, can cause a crash due to an unchecked null pointer dereference. This can lead to a Denial of Service (DoS) attack via remote network.

Frequently asked questions

What is CVE-2025-0312?: A vulnerability in ollama/ollama versions <=0.3.14 allows a malicious user to create a customized GGUF model file that, when uploaded and created on the Ollama server, can cause a crash due to an unchecked null pointer dereference. This can lead to a Denial of Service (DoS) attack via remote network.
How severe is CVE-2025-0312?: CVE-2025-0312 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-2025-0312 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-0312?: CVE-2025-0312 affects Ollama. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-0312?: 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-2025-0312 have an EU (EUVD) identifier?: Yes. CVE-2025-0312 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-6816.
When was CVE-2025-0312 published?: CVE-2025-0312 was published on 2025-03-20 and last updated on 2026-06-17.

References

https://huntr.com/bounties/522c87b6-a7ac-41b2-84f3-62fd58921f21

Affected products (1)

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

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