What is CVE-2024-39721?

CVE-2024-39721 is a high-severity vulnerability in Ollama, classified under Improper Resource Shutdown or Release. CVSS score: 7.5/10. Published 2024-10-31.

How severe is CVE-2024-39721?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2024-39721 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Ollama

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).

Published 2024-10-31 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.027 (85.1th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 85.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.027 · newest: 0.027 · change: 0.000

Affected products

Ollama

Weakness classification (CWE)

CWE-404 — Improper Resource Shutdown or Release

Public proof-of-concept exploits

References

github.com/ollama/ollama/blob/9164b0161bcb24e543cba835a8863b80af2c0c21/server/r… (Product)
github.com/ollama/ollama/blob/adeb40eaf29039b8964425f69a9315f9f1694ba8/server/r… (Product)
www.oligo.security/blog/more-models-more-probllms (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2024-39721?: CVE-2024-39721 is a high-severity vulnerability in Ollama, classified under Improper Resource Shutdown or Release. CVSS score: 7.5/10. Published 2024-10-31.
How severe is CVE-2024-39721?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2024-39721 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.