CVE-2025-47256

MEDIUM

Libxmp < 4.6.2 - Stack-Based Buffer Overflow via Malformed Pha Format Tracker Module

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2025-47256. PoCs published by SexyShoelessGodofWar.

AI-analyzed exploit summary This repository contains a functional PoC for CVE-2025-47256, a stack-based buffer overflow in libxmp's depack_pha() function. The PoC includes a crafted malicious file (poc_data.h) and a C program that triggers the vulnerability by loading the file via libxmp.

Description

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.

Exploits (1)

nomisec WORKING POC 1 stars
by SexyShoelessGodofWar · poc
https://github.com/SexyShoelessGodofWar/CVE-2025-47256

This repository contains a functional PoC for CVE-2025-47256, a stack-based buffer overflow in libxmp's depack_pha() function. The PoC includes a crafted malicious file (poc_data.h) and a C program that triggers the vulnerability by loading the file via libxmp.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: libxmp (versions affected by CVE-2025-47256)
No auth needed
Prerequisites: A vulnerable version of libxmp · Ability to feed a malicious .mod or .pha file to an application using libxmp
devstral-2 · analyzed Feb 18, 2026 Full analysis →

References (3)

Core 3

Scores

CVSS v3 5.6
EPSS 0.0024
EPSS Percentile 15.4%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-191
Status published
Products (1)
Libxmp/Libxmp < 4.6.2
Published May 06, 2025
Tracked Since Feb 18, 2026