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Advisory record · PYSEC-2026-3450 Withdrawn

Ollama downloadBlob Improper Validation of Array Index Denial-of-Service Vulnerability. This vulnerability allows remote attackers to create a denial-of-service condition on affected installations ...

CVSS 7.5 HighEPSS 0.0072 · 53rd percentile

Withdrawn. OSV withdrew this advisory on 16 Jul 2026. The record stays here, marked withdrawn.

Published by OSV at 13 Jul 2026, 22:16 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
ollamaPyPI<=0.7.1-NANo fixed version yet
Identifiers
PYSEC-2026-3450 · CVE-2026-15685
Weakness (CWE)
CWE-129
Tags
Published
13 Jul 2026
Updated
20 Jul 2026

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
7.5 High 3.0 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CNA (zdi)
  • CISA KEV Not listed.
  • EPSS 0.0072, the 53rd percentile, on 6 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:42 UTC First seen by agentprime
  2. 31 Oct 2026, 14:42 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.