CVE-2023-25399

scipy: refcounting issue leads to potential memory leak

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Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · July 6, 2023

Updated · November 21, 2025

Description

A flaw was found in SciPy, where it is vulnerable to a denial of service caused by a memory leak flaw in the Py_FindObjects() function due to a new reference not being decreased. This flaw allows a local attacker to send a specially crafted request, forcing the application to leak memory and perform a denial of service attack.

Statement

This CVE is disputed as per upstream - https://github.com/scipy/scipy/issues/16235#issuecomment-1625361328.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE-401 · Missing Release of Memory after Effective Lifetime