Libxmp up to 4.6.2 Tracker loaders/prowizard/pha.c depack_pha integer underflow

CVSS Meta Temp Score
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CTI Interest Score
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5.0$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Libxmp up to 4.6.2. Affected is the function depack_pha of the file loaders/prowizard/pha.c of the component Tracker Module. The manipulation results in integer underflow. This vulnerability is known as CVE-2025-47256. Attacking locally is a requirement. No exploit is available.

Detailsinfo

A vulnerability was found in Libxmp up to 4.6.2. It has been classified as problematic. Affected is the function depack_pha of the file loaders/prowizard/pha.c of the component Tracker Module. The manipulation with an unknown input leads to a integer underflow vulnerability. CWE is classifying the issue as CWE-191. The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Libxmp through 4.6.2 has a stack-based buffer overflow in depack_pha in loaders/prowizard/pha.c via a malformed Pha format tracker module in a .mod file.

The advisory is shared for download at github.com. This vulnerability is traded as CVE-2025-47256 since 05/05/2025. The exploitability is told to be difficult. The attack needs to be approached locally. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 235781 (Fedora 41 : libxmp (2025-a77aae3213)), 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 (235781). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 5.0

VulDB Base Score: 4.5
VulDB Temp Score: 4.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 5.6
CNA Vector (MITRE): 🔍

CVSSv2info

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

Exploitinginfo

Class: Integer underflow
CWE: CWE-191 / CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 235781
Nessus Name: Fedora 41 : libxmp (2025-a77aae3213)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

05/05/2025 🔍
05/07/2025 +2 days 🔍
05/07/2025 +0 days 🔍
05/14/2025 +6 days 🔍

Sourcesinfo

Product: github.com

Advisory: 847
Status: Confirmed

CVE: CVE-2025-47256 (🔍)
GCVE (CVE): GCVE-0-2025-47256
GCVE (VulDB): GCVE-100-307680

Entryinfo

Created: 05/07/2025 07:08
Updated: 05/14/2025 00:31
Changes: 05/07/2025 07:08 (63), 05/14/2025 00:31 (2)
Complete: 🔍
Cache ID: 216::103

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