CVE-2023-37365: hnswlib Double Free vulnerability

June 30, 2023 (updated March 25, 2026)

Hnswlib 0.7.0 has a double free in init_index when the M argument is a large integer.

References

github.com/advisories/GHSA-xwc8-rf6m-xr86
github.com/nmslib/hnswlib
github.com/nmslib/hnswlib/commit/f6d170ce0b41f9e75ace473b09df6e7872590757
github.com/nmslib/hnswlib/issues/467
github.com/nmslib/hnswlib/pull/484
nvd.nist.gov/vuln/detail/CVE-2023-37365

Code Behaviors & Features

Detect and mitigate CVE-2023-37365 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Dependency Scanning using SBOM also detects vulnerabilities from proprietary advisories that this site does not include. Learn more about Dependency Scanning using SBOM →