5.6

CVE-2025-47256: libxmp Integer Underflow (Wrap or Wraparound)

CVSS: 5.6v3.1MediumDeferred
AliasesUBUNTU-CVE-2025-47256DEBIAN-CVE-2025-47256openSUSE-SU-2025:15081-1
Published 06-05-2025Last modified 06-05-2025
Open JSON

Vulnerability summary

CVE-2025-47256 is a medium (CVSS 5.6) Integer Underflow (Wrap or Wraparound) vulnerability in libxmp. EPSS estimates a 0.31% chance of exploitation in the next 30 days, higher than 22.1% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.6/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.31%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1
MGASA-2026-0191

Timeline

  1. 06-05-2025
    PublishedVulnerability first disclosed.
  2. 06-05-2025
    Last modifiedVulnerability information updated.

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.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.31%

Chance of exploitation in the next 30 days

Percentile

22%

Versus all other CVEs

30-day change

+0.01 pp

From 0.29% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.31%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • libxmpAll versions (No fix recorded) | < 4.6.2-2
Libxmp1 product
Opensuse1 product
  • libxmp&distro=openSUSE Tumbleweed< 4.6.3-1.1
Ubuntu1 product
  • libxmpAll versions (No fix recorded)

4 vendors · 4 products

References

9 links