CVE-2026-65315: Uncontrolled Memory Allocation in Ollama GGUF Parser
Ollama
Ollama contains an uncontrolled memory allocation flaw in its GGUF metadata parser that permits server denial of service via crafted files. The vulnerability was publicly disclosed with a patch.
disclosed CVENo confirmed exploitation, so this record is tracked as a disclosed vulnerability and not counted as an incident. It moves into the counts if CISA or the vendor confirms exploitation. Why
- CVSS
- 8.7
- EPSS
- 0.01 · top 43% · 2026-11-13
- fix status
- Fix status unknown
- first report
- 21 Jul 2026
- last update
- 21 Jul 2026
- CVE ids
Timeline · 1
Sources · 1
Advisories and databases
- 2026-07-21CVE-2026-65315: Ollama (HEAD f0078ae) contains an uncontrolled memory allocation vulnerability in the GGUF metadata parser that allows remote…NVD · nvd.nist.gov/vuln/detail/CVE-2026-65315
Titles and links belong to their publishers. The summary above is written by gcdRadar in its own words; data is CC BY-SA 4.0.
Classification
- lane
- Patch now
- AI role
- Attack on AI
- categories
- Infrastructure vulnerability
- severity
- 2 · Disclosed vulnerability
- fix status
- Fix status unknown
- targets
- Framework / tooling
- owasp llm top 10
- LLM03:2025 Supply Chain
- mitre atlas
- no technique for these categories
- dates
- happened 21 Jul 2026 · first reported 21 Jul 2026
- origin
- NVDVulnerability record from NVD / the GitHub Advisory Database. This product uses the NVD API but is not endorsed or certified by the NVD.
- record
- confidence 0.95 · created 2026-10-18 10:04Z · updated 2026-10-18 10:04Z
Lane, AI role, categories and severity come from the classifier; the OWASP and ATLAS rows are derived from the categories. How these are assigned
Copy a brief
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the brief as text
# CVE-2026-65315: Uncontrolled Memory Allocation in Ollama GGUF Parser https://gcdradar.vercel.app/incidents/cve-2026-65315-uncontrolled-memory-allocation-in-ollama-gguf · AIR-2026-1212 · closed 2026-07-21 - Lane: Patch now - Severity: 2 (Disclosed vulnerability) - Fix status: Fix status unknown - First reported: 2026-07-21 - AI role: Attack on AI - Products: Ollama - CVE ids: CVE-2026-65315 - CVSS: 8.7 ## Summary Ollama contains an uncontrolled memory allocation flaw in its GGUF metadata parser that permits server denial of service via crafted files. The vulnerability was publicly disclosed with a patch. ## What to do No action recorded; read the sources below and the vendor's advisory. ## Latest updates - 2026-07-21: CVE-2026-65315: Ollama (HEAD f0078ae) contains an uncontrolled memory allocation vulnerability in the GGUF metadata parser that allows remote… (https://nvd.nist.gov/vuln/detail/CVE-2026-65315) ## Sources - 2026-07-21 NVD: CVE-2026-65315: Ollama (HEAD f0078ae) contains an uncontrolled memory allocation vulnerability in the GGUF metadata parser that allows remote… https://nvd.nist.gov/vuln/detail/CVE-2026-65315 Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.
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AI