Integer overflow in Libxmp

CVE-2025-47256

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.

EPSS: 0.003 (19.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.6 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-47256?
CVE-2025-47256 is a medium-severity vulnerability in Libxmp, classified under Integer Underflow. CVSS score: 5.6/10. Published 2025-05-06.
How severe is CVE-2025-47256?
Medium severity. CVSS v3 base score is 5.6 out of 10.
Is CVE-2025-47256 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.