CVE-2025-66960
highpriority · track · 0EPSS 0.004 · 37 %ileEURUUSEPSS · scored 2026-10-27
An issue in ollama v.0.12.10 allows a remote attacker to cause a denial of service via the fs/ggml/gguf.go, function readGGUFV1String reads a string length from untrusted GGUF metadata
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.9–7.5
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (4)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- PYSEC-2026-1022026-01-21vendor · osvUS
An issue in ollama v.0.12.10 allows a remote attacker to cause a denial of service via the fs/ggml/gguf.go, function readGGUFV1String reads a string length from untrusted GGUF metadata
also known as (5)
Other names and identifiers for this entity.
sources
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references (7)
External citations — patches, advisories, analysis.
- https://github.com/ollama/ollama/issues/9820cnnvd
- https://github.com/ollama/ollama/releasesPatchcnnvd
- https://zero.shotlearni.ng/blog/cve-2025-66960guf-v1-string-length-cause-panic-in-readggufv1string/cnnvd
- https://github.com/ollama/ollama/issues/9820enisa_euvd
- https://zero.shotlearni.ng/blog/cve-2025-66960guf-v1-string-length-cause-panic-in-readggufv1string/enisa_euvd
- https://github.com/ollama/ollama/issues/9820ExploitIssue TrackingVendor Advisorynvd
- https://zero.shotlearni.ng/blog/cve-2025-66960guf-v1-string-length-cause-panic-in-readggufv1string/ExploitThird Party Advisorynvd
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