id: PYSEC-2026-101
published: "2026-01-21T18:16:23.470Z"
modified: "2026-02-02T17:27:47.887Z"
withdrawn: "2026-06-10T11:00:00Z"
aliases:
- CVE-2025-66959
details: An issue in ollama v.0.12.10 allows a remote attacker to cause a denial of service via the GGUF decoder
affected:
- package:
    name: ollama
    ecosystem: PyPI
    purl: pkg:pypi/ollama
  ranges:
  - type: ECOSYSTEM
    events:
    - introduced: "0"
    - last_affected: 0.12.10-NA
  ecosystem_specific: {}
references:
- type: REPORT
  url: https://github.com/ollama/ollama/issues/9820
- type: EVIDENCE
  url: https://zero.shotlearni.ng/blog/cve-2025-66959panic-dos-via-unchecked-length-in-gguf-decoder-copy/
severity:
- type: CVSS_V3
  score: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H