Skip to main content

Blog post · April 22, 2026 · kb.cert.org

VU#518910: Ollama GGUF Quantization Remote Memory Leak

What this article record gives an agent

The original is on kb.cert.org. This record adds what an agent needs to use it: a short summary it can quote, the companies resolved to their records, and a clear line back to the source.

A summary it can quote

Our short summary, marked as ours, separate from the publisher's own words and byline.

The source, kept

The original URL, publisher and date, and what kind of piece it is (press release, news, analysis).

Get this article

The same record, four ways in. No key needed to try it.

MCP

curl -X POST https://mcp.decisioninsights.ai/api/mcp-public \
  -H "content-type: application/json" \
  -H "accept: application/json, text/event-stream" \
  -d '{"id":1,"jsonrpc":"2.0","method":"tools/call","params":{"arguments":{"uuid":"9080e567-3f74-47ee-aefa-1876328dece8"},"name":"di_get_content"}}'

REST

GET https://api.decisioninsights.ai/api/public/v1/content/9080e567-3f74-47ee-aefa-1876328dece8

JSON-LD

The schema.org markup this page publishes for search engines and AI agents, exactly as they read it.

[
  {
    "@context": "https://schema.org",
    "@id": "https://decisioninsights.ai/#website",
    "@type": "WebSite",
    "name": "Decision Insights",
    "potentialAction": {
      "@type": "SearchAction",
      "target": {
        "@type": "EntryPoint",
        "urlTemplate": "https://decisioninsights.ai/search/?q={search_term_string}&submit=1"
      }
    },
    "publisher": {
      "@id": "https://decisioninsights.ai/#organization"
    },
    "url": "https://decisioninsights.ai"
  },
  {
    "@context": "https://schema.org",
    "@id": "https://decisioninsights.ai/#organization",
    "@type": "Organization",
    "contactPoint": {
      "@type": "ContactPoint",
      "contactType": "customer support",
      "email": "[email protected]"
    },
    "description": "Decision Insights is a Registry of technology companies, open source projects, and industry terms, built for people and for AI agents that need sourced, structured information.",
    "legalName": "Wiretap Labs, LLC",
    "logo": {
      "@type": "ImageObject",
      "url": "https://wiretap-cdn-assets.nyc3.cdn.digitaloceanspaces.com/decision-insights/[email protected]"
    },
    "name": "Decision Insights",
    "parentOrganization": {
      "@type": "Organization",
      "name": "Wiretap Labs",
      "sameAs": [
        "https://www.linkedin.com/company/wiretap-labs",
        "https://www.crunchbase.com/organization/wiretap-labs"
      ],
      "url": "https://wiretaplabs.com"
    },
    "publishingPrinciples": "https://decisioninsights.ai/standards/",
    "sameAs": [
      "https://www.linkedin.com/company/decisioninsights"
    ],
    "url": "https://decisioninsights.ai"
  },
  {
    "@context": "https://schema.org",
    "@type": "BreadcrumbList",
    "itemListElement": [
      {
        "@type": "ListItem",
        "item": "https://decisioninsights.ai",
        "name": "Decision Insights",
        "position": 1
      },
      {
        "@type": "ListItem",
        "item": "https://decisioninsights.ai/records/",
        "name": "Records",
        "position": 2
      },
      {
        "@type": "ListItem",
        "item": "https://decisioninsights.ai/vu518910:-ollama-gguf-quantization-remote-memory-leak/",
        "name": "VU#518910: Ollama GGUF Quantization Remote Memory Leak",
        "position": 3
      }
    ]
  },
  {
    "@context": "https://schema.org",
    "@id": "https://decisioninsights.ai/vu518910:-ollama-gguf-quantization-remote-memory-leak/#blogposting",
    "@type": "BlogPosting",
    "articleSection": [
      "Cybersecurity",
      "Data Center"
    ],
    "audience": [
      {
        "@type": "Audience",
        "additionalType": "Seniority",
        "audienceType": "Director"
      },
      {
        "@type": "Audience",
        "additionalType": "Job function",
        "audienceType": "Cybersecurity / Information Security"
      },
      {
        "@type": "Audience",
        "additionalType": "Persona",
        "audienceType": "Security Operations Leader"
      },
      {
        "@type": "Audience",
        "additionalType": "Buyer role",
        "audienceType": "Decision Maker / Budget Holder"
      },
      {
        "@type": "Audience",
        "additionalType": "Adoption curve",
        "audienceType": "Late Majority"
      },
      {
        "@type": "Audience",
        "additionalType": "Technology maturity",
        "audienceType": "Operational Expansion"
      },
      {
        "@type": "Audience",
        "additionalType": "Industry",
        "audienceType": "Information Technology / Software & Services / IT Services / Internet Services & Infrastructure"
      }
    ],
    "author": {
      "@id": "https://decisioninsights.ai/author/decision-insights-threat-desk/#person",
      "@type": "Person",
      "name": "Decision Insights Threat Desk",
      "url": "https://decisioninsights.ai/author/decision-insights-threat-desk/"
    },
    "dateModified": "2026-08-23T13:08:49-06:00",
    "datePublished": "2026-04-22T10:00:36-06:00",
    "description": "Explains CVE-2026-5757, an unauthenticated remote information disclosure flaw in Ollama’s model quantization engine that can expose and exfiltrate server heap memory.",
    "headline": "VU#518910: Ollama GGUF Quantization Remote Memory Leak",
    "isBasedOn": {
      "@type": "CreativeWork",
      "sourceOrganization": {
        "@id": "https://decisioninsights.ai/registry/department-of-homeland-security/#organization",
        "@type": "Organization",
        "mainEntityOfPage": "https://decisioninsights.ai/registry/department-of-homeland-security/",
        "name": "Department of Homeland Security"
      },
      "url": "https://kb.cert.org/vuls/id/518910"
    },
    "keywords": [
      "Metadata",
      "Model Quantization",
      "Server",
      "Vulnerabilities"
    ],
    "mainEntityOfPage": {
      "@id": "https://decisioninsights.ai/vu518910:-ollama-gguf-quantization-remote-memory-leak/",
      "@type": "WebPage",
      "sdDatePublished": "2026-08-23",
      "sdPublisher": {
        "@id": "https://decisioninsights.ai/#organization"
      }
    },
    "publisher": {
      "@id": "https://decisioninsights.ai/#organization"
    }
  },
  {
    "@context": "https://schema.org",
    "@id": "https://decisioninsights.ai/author/decision-insights-threat-desk/#person",
    "@type": "Person",
    "description": "CISA advisories, vendor security bulletins, and CVE disclosures, summarized into sourced briefs. Produced under our Standards & Methodology.",
    "name": "Decision Insights Threat Desk",
    "sameAs": [
      "https://www.linkedin.com/showcase/decisioninsights/"
    ],
    "url": "https://decisioninsights.ai/author/decision-insights-threat-desk/"
  }
]

Is this your company? Get structured data for your own pages

How an agent can check this article before citing it

The check What the record shows Where it is in the data
There is an original kb.cert.org, April 22, 2026 isBasedOn
Whose words are whose Summary by Decision Insights; the original keeps its own byline author, publisher
View the raw record (JSON-LD)
[
  {
    "@context": "https://schema.org",
    "@id": "https://decisioninsights.ai/#website",
    "@type": "WebSite",
    "name": "Decision Insights",
    "potentialAction": {
      "@type": "SearchAction",
      "target": {
        "@type": "EntryPoint",
        "urlTemplate": "https://decisioninsights.ai/search/?q={search_term_string}&submit=1"
      }
    },
    "publisher": {
      "@id": "https://decisioninsights.ai/#organization"
    },
    "url": "https://decisioninsights.ai"
  },
  {
    "@context": "https://schema.org",
    "@id": "https://decisioninsights.ai/#organization",
    "@type": "Organization",
    "contactPoint": {
      "@type": "ContactPoint",
      "contactType": "customer support",
      "email": "[email protected]"
    },
    "description": "Decision Insights is a Registry of technology companies, open source projects, and industry terms, built for people and for AI agents that need sourced, structured information.",
    "legalName": "Wiretap Labs, LLC",
    "logo": {
      "@type": "ImageObject",
      "url": "https://wiretap-cdn-assets.nyc3.cdn.digitaloceanspaces.com/decision-insights/[email protected]"
    },
    "name": "Decision Insights",
    "parentOrganization": {
      "@type": "Organization",
      "name": "Wiretap Labs",
      "sameAs": [
        "https://www.linkedin.com/company/wiretap-labs",
        "https://www.crunchbase.com/organization/wiretap-labs"
      ],
      "url": "https://wiretaplabs.com"
    },
    "publishingPrinciples": "https://decisioninsights.ai/standards/",
    "sameAs": [
      "https://www.linkedin.com/company/decisioninsights"
    ],
    "url": "https://decisioninsights.ai"
  },
  {
    "@context": "https://schema.org",
    "@type": "BreadcrumbList",
    "itemListElement": [
      {
        "@type": "ListItem",
        "item": "https://decisioninsights.ai",
        "name": "Decision Insights",
        "position": 1
      },
      {
        "@type": "ListItem",
        "item": "https://decisioninsights.ai/records/",
        "name": "Records",
        "position": 2
      },
      {
        "@type": "ListItem",
        "item": "https://decisioninsights.ai/vu518910:-ollama-gguf-quantization-remote-memory-leak/",
        "name": "VU#518910: Ollama GGUF Quantization Remote Memory Leak",
        "position": 3
      }
    ]
  },
  {
    "@context": "https://schema.org",
    "@id": "https://decisioninsights.ai/vu518910:-ollama-gguf-quantization-remote-memory-leak/#blogposting",
    "@type": "BlogPosting",
    "articleSection": [
      "Cybersecurity",
      "Data Center"
    ],
    "audience": [
      {
        "@type": "Audience",
        "additionalType": "Seniority",
        "audienceType": "Director"
      },
      {
        "@type": "Audience",
        "additionalType": "Job function",
        "audienceType": "Cybersecurity / Information Security"
      },
      {
        "@type": "Audience",
        "additionalType": "Persona",
        "audienceType": "Security Operations Leader"
      },
      {
        "@type": "Audience",
        "additionalType": "Buyer role",
        "audienceType": "Decision Maker / Budget Holder"
      },
      {
        "@type": "Audience",
        "additionalType": "Adoption curve",
        "audienceType": "Late Majority"
      },
      {
        "@type": "Audience",
        "additionalType": "Technology maturity",
        "audienceType": "Operational Expansion"
      },
      {
        "@type": "Audience",
        "additionalType": "Industry",
        "audienceType": "Information Technology / Software & Services / IT Services / Internet Services & Infrastructure"
      }
    ],
    "author": {
      "@id": "https://decisioninsights.ai/author/decision-insights-threat-desk/#person",
      "@type": "Person",
      "name": "Decision Insights Threat Desk",
      "url": "https://decisioninsights.ai/author/decision-insights-threat-desk/"
    },
    "dateModified": "2026-08-23T13:08:49-06:00",
    "datePublished": "2026-04-22T10:00:36-06:00",
    "description": "Explains CVE-2026-5757, an unauthenticated remote information disclosure flaw in Ollama’s model quantization engine that can expose and exfiltrate server heap memory.",
    "headline": "VU#518910: Ollama GGUF Quantization Remote Memory Leak",
    "isBasedOn": {
      "@type": "CreativeWork",
      "sourceOrganization": {
        "@id": "https://decisioninsights.ai/registry/department-of-homeland-security/#organization",
        "@type": "Organization",
        "mainEntityOfPage": "https://decisioninsights.ai/registry/department-of-homeland-security/",
        "name": "Department of Homeland Security"
      },
      "url": "https://kb.cert.org/vuls/id/518910"
    },
    "keywords": [
      "Metadata",
      "Model Quantization",
      "Server",
      "Vulnerabilities"
    ],
    "mainEntityOfPage": {
      "@id": "https://decisioninsights.ai/vu518910:-ollama-gguf-quantization-remote-memory-leak/",
      "@type": "WebPage",
      "sdDatePublished": "2026-08-23",
      "sdPublisher": {
        "@id": "https://decisioninsights.ai/#organization"
      }
    },
    "publisher": {
      "@id": "https://decisioninsights.ai/#organization"
    }
  },
  {
    "@context": "https://schema.org",
    "@id": "https://decisioninsights.ai/author/decision-insights-threat-desk/#person",
    "@type": "Person",
    "description": "CISA advisories, vendor security bulletins, and CVE disclosures, summarized into sourced briefs. Produced under our Standards & Methodology.",
    "name": "Decision Insights Threat Desk",
    "sameAs": [
      "https://www.linkedin.com/showcase/decisioninsights/"
    ],
    "url": "https://decisioninsights.ai/author/decision-insights-threat-desk/"
  }
]