{"id":"CVE-2025-1975","summary":"Improper Validation of Array Index in ollama/ollama","details":"A vulnerability in the Ollama server version 0.5.11 allows a malicious user to cause a Denial of Service (DoS) attack by customizing the manifest content and spoofing a service. This is due to improper validation of array index access when downloading a model via the /api/pull endpoint, which can lead to a server crash.","aliases":["GHSA-wrh5-cmwx-q2qr","GO-2025-3695","PYSEC-2025-145"],"modified":"2026-05-20T18:26:32.214399636Z","published":"2025-05-16T08:25:57.177Z","related":["CGA-63jp-hpjv-73mh","openSUSE-SU-2025:15159-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/1xxx/CVE-2025-1975.json","cna_assigner":"@huntr_ai","cwe_ids":["CWE-129"]},"references":[{"type":"WEB","url":"https://huntr.com/bounties/921ba5d4-f1d0-4c66-9764-4f72dffe7acd"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/1xxx/CVE-2025-1975.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-1975"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/ollama/ollama","events":[{"introduced":"0"},{"last_affected":"f8453e9d4a15f5f54b610993e8647d252cb65626"}],"database_specific":{"cpe":"cpe:2.3:a:ollama:ollama:0.5.11:*:*:*:*:*:*:*","source":"CPE_FIELD","extracted_events":[{"introduced":"0"},{"last_affected":"0.5.11"}]}}],"versions":["v0.5.11","v0.5.10","v0.5.9","v0.5.9-rc0","v0.5.8-rc13","v0.5.8","v0.5.8-rc12","v0.5.8-rc11","v0.5.8-rc10","v0.5.8-rc9","v0.5.8-rc8","v0.5.8-rc7","v0.5.8-rc6","v0.5.8-rc5","v0.5.8-rc4","v0.5.8-rc3","v0.5.8-rc2","v0.5.8-rc1","v0.5.8-rc0","v0.5.7","v0.5.6","v0.5.5","v0.5.5-rc0","v0.5.4","v0.5.3","v0.5.3-rc0","v0.5.2","v0.5.2-rc3","v0.5.2-rc2","v0.5.2-rc1","v0.5.2-rc0","v0.5.1","v0.5.0-rc1","v0.5.0","v0.4.8-rc0","v0.4.7","v0.4.6","v0.4.5","v0.4.4","v0.4.3","v0.4.3-rc0","v0.4.2","v0.4.2-rc1","v0.4.2-rc0","v0.4.1-rc0","v0.4.1","v0.4.0","v0.4.0-rc8","v0.4.0-rc7","v0.4.0-rc6","v0.3.14-rc0","v0.3.14","v0.3.13","v0.3.12","v0.3.12-rc5","v0.3.12-rc4","v0.3.12-rc3","v0.3.12-rc2","v0.3.12-rc1","v0.3.11","v0.3.11-rc4","v0.3.11-rc3","v0.3.11-rc2","v0.3.11-rc1","v0.3.10","v0.3.10-rc1","v0.3.9","v0.3.8","v0.3.7-rc6","v0.3.7","v0.3.7-rc4","v0.3.7-rc5","v0.3.7-rc3","v0.3.7-rc2","v0.3.7-rc1","v0.3.6","v0.3.5","v0.3.4","v0.3.3","v0.3.2","v0.3.1","v0.3.0","v0.2.8","v0.2.8-rc2","v0.2.8-rc1","v0.2.7","v0.2.6","v0.2.5","v0.2.4","v0.2.3","v0.2.2","v0.2.2-rc2","v0.2.2-rc1","v0.2.1","v0.2.0","v0.1.49-rc14","v0.1.49-rc13","v0.1.49-rc12","v0.1.49-rc11","v0.1.49-rc10","v0.1.49-rc9","v0.1.49-rc8","v0.1.49-rc7","v0.1.49-rc6","v0.1.49-rc5","v0.1.49-rc4","v0.1.49-rc3","v0.1.49-rc2","v0.1.49-rc1","v0.1.46","v0.1.48","v0.1.47","v0.1.45-rc5","v0.1.45","v0.1.45-rc4","v0.1.45-rc3","v0.1.45-rc2","v0.1.45-rc1","v0.1.44","v0.1.43","v0.1.42","v0.1.41","v0.1.40","v0.1.40-rc1","v0.1.39","v0.1.39-rc2","v0.1.39-rc1","v0.1.38","v0.1.37","v0.1.36","v0.1.35","v0.1.35-rc1","v0.1.34","v0.1.34-rc1","v0.1.33","v0.1.33-rc7","v0.1.33-rc6","v0.1.33-rc5","v0.1.33-rc4","v0.1.33-rc3","v0.1.33-rc2","v0.1.33-rc1","v0.1.32","v0.1.32-rc2","v0.1.32-rc1","v0.1.30","v0.1.29","v0.1.28","v0.1.27","v0.1.26","v0.1.25","v0.1.24","v0.1.23","v0.1.22","v0.1.21","v0.1.20","v0.1.19","v0.1.18","v0.1.17","v0.1.16","v0.1.15","v0.1.14","v0.1.13","v0.1.12","v0.1.11","v0.1.10","v0.1.9","v0.1.8","v0.1.7","v0.1.6","v0.1.5","v0.1.4","v0.1.3","v0.1.2","v0.1.1","v0.1.0","v0.0.21","v0.0.20","v0.0.19","v0.0.18","v0.0.17","v0.0.16","v0.0.15","v0.0.14","v0.0.13","v0.0.12","v0.0.11","v0.0.10","v0.0.9","v0.0.8","v0.0.7","v0.0.6","v0.0.5","v0.0.4","v0.0.3","v0.0.2","v0.0.1"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-1975.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}