Python up to 3.11.4 os.path.normpath untrusted search path

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in Python up to 3.11.4. This affects the function os.path.normpath. The manipulation results in an unknown weakness. This vulnerability is reported as CVE-2023-41105. No exploit exists. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability classified as problematic has been found in Python up to 3.11.4 (Programming Language Software). CWE is classifying the issue as CWE-426. The product searches for critical resources using an externally-supplied search path that can point to resources that are not under the product's direct control. The impact remains unknown. CVE summarizes:

An issue was discovered in Python 3.11 through 3.11.4. If a path containing '\0' bytes is passed to os.path.normpath(), the path will be truncated unexpectedly at the first '\0' byte. There are plausible cases in which an application would have rejected a filename for security reasons in Python 3.10.x or earlier, but that filename is no longer rejected in Python 3.11.x.

The weakness was disclosed 08/23/2023 as 106242. The advisory is available at github.com. This vulnerability is traded as CVE-2023-41105 since 08/23/2023. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1574 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 266245 (NewStart CGSL MAIN 6.06 : python3@11 Vulnerability (NS-SA-2025-0238)), which helps to determine the existence of the flaw in a target environment.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com.

The vulnerability is also documented in the databases at Tenable (266245) and EUVD (EUVD-2023-45624). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Untrusted search path
CWE: CWE-426
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: 266245
Nessus Name: NewStart CGSL MAIN 6.06 : python3@11 Vulnerability (NS-SA-2025-0238)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: github.com

Timelineinfo

08/23/2023 🔍
08/23/2023 +0 days 🔍
08/23/2023 +0 days 🔍
01/31/2026 +892 days 🔍

Sourcesinfo

Advisory: 106242
Status: Confirmed

CVE: CVE-2023-41105 (🔍)
GCVE (CVE): GCVE-0-2023-41105
GCVE (VulDB): GCVE-100-237762
EUVD: 🔍

Entryinfo

Created: 08/23/2023 10:07
Updated: 01/31/2026 01:26
Changes: 08/23/2023 10:07 (39), 09/16/2023 06:46 (12), 10/01/2025 10:46 (17), 01/31/2026 01:26 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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