{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-86289","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","state":"PUBLISHED","assignerShortName":"VulDB","dateReserved":"2026-09-06T15:44:05.664Z","datePublished":"2026-09-07T08:45:15.290Z","dateUpdated":"2026-09-11T20:35:22.078Z"},"containers":{"cna":{"providerMetadata":{"orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","shortName":"VulDB","dateUpdated":"2026-09-07T08:45:15.290Z"},"title":"Ollama GGUF Decoder gguf.go readGGUFV1String integer overflow","problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-190","lang":"en","description":"Integer Overflow"}]},{"descriptions":[{"type":"CWE","cweId":"CWE-189","lang":"en","description":"Numeric Error"}]}],"affected":[{"vendor":"n/a","product":"Ollama","versions":[{"version":"0.31.0","status":"affected"},{"version":"0.31.1","status":"affected"},{"version":"0.31.2-rc1","status":"unaffected"}],"cpes":["cpe:2.3:a:ollama:ollama:*:*:*:*:*:*:*:*"],"modules":["GGUF Decoder"]}],"descriptions":[{"lang":"en","value":"A vulnerability was found in Ollama up to 0.31.1. This issue affects the function readGGUFV1String of the file fs/ggml/gguf.go of the component GGUF Decoder. Performing a manipulation results in integer overflow. The attack is possible to be carried out remotely. The exploit has been made public and could be used. Upgrading to version 0.31.2-rc1 is capable of addressing this issue. The patch is named 67b6a1c2d45321e0cb3c04a18073f9818de7724b. It is recommended to upgrade the affected component."}],"metrics":[{"cvssV4_0":{"version":"4.0","baseScore":5.3,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P","baseSeverity":"MEDIUM"}},{"cvssV3_1":{"version":"3.1","baseScore":4.3,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C","baseSeverity":"MEDIUM"}},{"cvssV3_0":{"version":"3.0","baseScore":4.3,"vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C","baseSeverity":"MEDIUM"}},{"cvssV2_0":{"version":"2.0","baseScore":5,"vectorString":"AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:OF/RC:C"}}],"timeline":[{"time":"2026-09-06T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2026-09-06T02:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2026-09-06T17:49:13.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"m00dy (VulDB User)","type":"reporter"}],"references":[{"url":"https://vuldb.com/vuln/399448","name":"VDB-399448 | Ollama GGUF Decoder gguf.go readGGUFV1String integer overflow","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/vuln/399448/cti","name":"VDB-399448 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/cve/CVE-2026-86289","name":"CVE-2026-86289 | CVE Analysis and Report","tags":["third-party-advisory"]},{"url":"https://vuldb.com/submit/906136","name":"Submit #906136 | Ollama     <= 0.17.1 Integer Overflow","tags":["third-party-advisory"]},{"url":"https://github.com/ollama/ollama/issues/17033","tags":["exploit","issue-tracking"]},{"url":"https://github.com/ollama/ollama/pull/17062","tags":["issue-tracking","patch"]},{"url":"https://github.com/ollama/ollama/commit/67b6a1c2d45321e0cb3c04a18073f9818de7724b","tags":["patch"]},{"url":"https://github.com/ollama/ollama/releases/tag/v0.31.2-rc1","tags":["patch"]},{"url":"https://github.com/ollama/ollama/","tags":["product"]}],"tags":["x_open-source"],"x_generator":["VulDB PVTS v202609"]},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-11T20:02:57.609369Z","id":"CVE-2026-86289","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-09-11T20:35:22.078Z"}}]}}