Remote code execution in Libxmp



| Updated: 2025-06-06
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2025-47256
CWE-ID CWE-121
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
 libxmp
Universal components / Libraries / Libraries used by multiple products

Vendor Libxmp

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Stack-based buffer overflow

EUVDB-ID: #VU108913

Risk: High

CVSSv4.0: 7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber]

CVE-ID: CVE-2025-47256

CWE-ID: CWE-121 - Stack-based buffer overflow

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the depack_pha() function in loaders/prowizard/pha.c. A remote attacker can pass a specially crafted .mod file to the application, trigger a stack-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

libxmp: 3.9.0 - 4.6.2

CPE2.3 External links

https://github.com/GCatt-AS/CVE-2025-47256
https://github.com/libxmp/libxmp/blob/ec22d1c7b93c8f681f8504a6c61c6f8a52458a10/src/loaders/prowizard/pha.c#L35
https://github.com/libxmp/libxmp/issues/847


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.



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