Upstream information

CVE-2025-56225 at MITRE

Description

fluidsynth-2.4.6 and earlier versions is vulnerable to Null pointer dereference in fluid_synth_monopoly.c, that can be triggered when loading an invalid midi file.

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having important severity.

CVSS v3 Scores
CVSS detail CNA (CISA-ADP) SUSE
Base Score 7.5 7.5
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network Network
Attack Complexity Low Low
Privileges Required None None
User Interaction None None
Scope Unchanged Unchanged
Confidentiality Impact None None
Integrity Impact None None
Availability Impact High High
CVSSv3 Version 3.1 3.1
CVSS v4 Scores
CVSS detail SUSE
Base Score 8.7
Vector CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Attack Vector Network
Attack Complexity Low
Attack Requirements None
Privileges Required None
User Interaction None
Vulnerable System Confidentiality Impact None
Vulnerable System Integrity Impact None
Vulnerable System Availability Impact High
Subsequent System Confidentiality Impact None
Subsequent System Integrity Impact None
Subsequent System Availability Impact None
CVSSv4 Version 4.0
SUSE Bugzilla entry: 1256435 [NEW]

No SUSE Security Announcements cross referenced.

List of released packages

Product(s) Fixed package version(s) References
Container suse/sl-micro/6.0/baremetal-os-container:2.1.3-6.35
Container suse/sl-micro/6.0/base-os-container:2.1.3-7.4
Container suse/sl-micro/6.0/kvm-os-container:2.1.3-6.31
Container suse/sl-micro/6.0/rt-os-container:2.1.3-7.36
Container suse/sl-micro/6.0/toolbox:13.2-9.1
Image SL-Micro
  • libxml2-2 >= 2.11.6-8.1
Image SLE-Micro
Image SLE-Micro-Azure
Image SLE-Micro-BYOS
Image SLE-Micro-BYOS-Azure
Image SLE-Micro-BYOS-EC2
Image SLE-Micro-BYOS-GCE
Image SLE-Micro-EC2
Image SLE-Micro-GCE
  • libxml2-2 >= 2.11.6-8.1
  • libxml2-tools >= 2.11.6-8.1
SUSE Package Hub 15 SP7
  • fluidsynth >= 2.3.4-bp157.2.3.1
  • fluidsynth-devel >= 2.3.4-bp157.2.3.1
  • libfluidsynth3 >= 2.3.4-bp157.2.3.1
  • libfluidsynth3-32bit >= 2.3.4-bp157.2.3.1
  • libfluidsynth3-64bit >= 2.3.4-bp157.2.3.1
 Patchnames:
openSUSE-2026-14
openSUSE Leap 16.0
  • fluidsynth >= 2.3.5-160000.3.1
  • fluidsynth-devel >= 2.3.5-160000.3.1
  • libfluidsynth3 >= 2.3.5-160000.3.1
 Patchnames:
openSUSE-Leap-16.0-329
openSUSE Tumbleweed
  • fluidsynth >= 2.5.2-2.1
  • fluidsynth-devel >= 2.5.2-2.1
  • libfluidsynth3 >= 2.5.2-2.1
  • libfluidsynth3-32bit >= 2.5.2-2.1
 Patchnames:
openSUSE-Tumbleweed-2026-10038

Status of this issue by product and package

Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification. The updates are grouped by state of their lifecycle. SUSE product lifecycles are documented on the lifecycle page.

Product(s) Source package State
Products under general support and receiving all security fixes.
SUSE Package Hub 15 SP7 fluidsynth Released

SUSE Timeline for this CVE

CVE page created: Fri Jan 9 18:02:41 2026
CVE page last modified: Tue May 19 18:29:32 2026