Numpy up to 1.19 PyArray_DescrNew null pointer dereference ⚔ [Disputed]

CVSS Meta Temp Score
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CTI Interest Score
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4.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Numpy up to 1.19. It has been declared as problematic. Affected by this issue is the function PyArray_DescrNew. Such manipulation leads to null pointer dereference. This vulnerability is traded as CVE-2021-41495. There is no exploit available. The real existence of this vulnerability is still doubted at the moment.

Detailsinfo

A vulnerability was found in Numpy up to 1.19. It has been rated as problematic. Affected by this issue is the function PyArray_DescrNew. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Impacted is availability.

The weakness was shared 12/17/2021 as 19038. The advisory is shared for download at github.com. This vulnerability is handled as CVE-2021-41495 since 09/20/2021. There are known technical details, but no exploit is available.

The real existence of this vulnerability is still doubted at the moment. The vulnerability scanner Nessus provides a plugin with the ID 216170 (SUSE SLED15 / SLES15 / openSUSE 15 Security Update : python3-numpy (SUSE-SU-2025:0424-1)), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (216170). Once again VulDB remains the best source for vulnerability data.

Productinfo

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Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 216170
Nessus Name: SUSE SLED15 / SLES15 / openSUSE 15 Security Update : python3-numpy (SUSE-SU-2025:0424-1)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/20/2021 🔍
12/17/2021 +88 days 🔍
12/17/2021 +0 days 🔍
02/13/2025 +1154 days 🔍

Sourcesinfo

Product: github.com

Advisory: 19038
Status: Confirmed
Disputed: 🔍

CVE: CVE-2021-41495 (🔍)
GCVE (CVE): GCVE-0-2021-41495
GCVE (VulDB): GCVE-100-188684

Entryinfo

Created: 12/17/2021 22:34
Updated: 02/13/2025 01:21
Changes: 12/17/2021 22:34 (37), 12/24/2021 10:04 (1), 12/24/2021 10:08 (18), 08/04/2024 07:09 (25), 02/13/2025 01:21 (3)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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