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High severity7.5OSV Advisory· Published Jan 21, 2026· Updated Jun 17, 2026

CVE-2025-66959

CVE-2025-66959

Description

An issue in ollama v.0.12.10 allows a remote attacker to cause a denial of service via the GGUF decoder

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

3

Ollama/OllamaOSV3 versions
v0.0.1, v0.0.10, v0.0.11, …+ 2 more
- (no CPE)range: v0.0.1, v0.0.10, v0.0.11, …
- cpe:2.3:a:ollama:ollama:0.12.10:-:*:*:*:*:*:*
- (no CPE)range: =0.12.10

Patches

Vulnerability mechanics

References

2

github.com/ollama/ollama/issues/9820nvdExploitIssue TrackingVendor Advisory
zero.shotlearni.ng/blog/cve-2025-66959panic-dos-via-unchecked-length-in-gguf-decoder-copy/nvdExploitThird Party Advisory

News mentions

0

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