{"cve":"CVE-2023-37365","nvd":{"published":"2023-06-30T19:15:09.437","modified":"2026-06-17T06:08:05.730","status":"Modified","description":"Hnswlib 0.7.0 has a double free in init_index when the M argument is a large integer.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","score":6.5},"cwes":["CWE-415"],"references":["https://github.com/nmslib/hnswlib/issues/467","https://github.com/nmslib/hnswlib/issues/467"],"products":["hnswlib_project:hnswlib"],"source":"nvd","synced_at":"2026-10-19T21:38:30.124994567+00:00"},"epss":{"cve":"CVE-2023-37365","score":0.00586,"percentile":0.48046,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-xwc8-rf6m-xr86","url":"https://osv.dev/vulnerability/GHSA-xwc8-rf6m-xr86","summary":"hnswlib Double Free vulnerability","modified":"2026-07-07T17:57:32.188550260Z","packages":[{"ecosystem":"PyPI","name":"hnswlib","purl":"pkg:pypi/hnswlib","ranges":["<0.8.0"],"fixed":["0.8.0"]}]},{"id":"PYSEC-2026-1450","url":"https://osv.dev/vulnerability/PYSEC-2026-1450","summary":"hnswlib Double Free vulnerability","modified":"2026-07-07T17:47:43.447013871Z","packages":[{"ecosystem":"PyPI","name":"hnswlib","purl":"pkg:pypi/hnswlib","ranges":["<0.8.0"],"fixed":["0.8.0"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}