CVE-2023-37365

Name: CVE-2023-37365
Creator: NVD / NIST
Published: 2023-06-30T19:15:09.437+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.51%

Last modified Jun 17, 2026

CVE-2023-37365 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. Hnswlib 0.7.0 has a double free in init_index when the M argument is a large integer.. EPSS estimates a 0.51% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1

6.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS Probability

0.51%

39.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-415

Affected Software

Vendor	Product	Versions
Hnswlib Project	Hnswlib	0.7.0

References

https://github.com/nmslib/hnswlib/issues/467Exploit, Issue Tracking, Third Party Advisory
https://github.com/nmslib/hnswlib/issues/467Exploit, Issue Tracking, Third Party Advisory

Timeline

Published: Jun 30, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-37365?

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

How severe is CVE-2023-37365?

CVE-2023-37365 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.51% probability of exploitation in the next 30 days.

How do I fix CVE-2023-37365?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-37365?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST