Description
The _WM_SetupMidiEvent function in internal_midi.c:2122 in WildMIDI 0.4.2 can cause a denial of service (invalid memory read and application crash) via a crafted mid file.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | wildmidi | 0.4.2-1 | — |
| Debian 13 | wildmidi | 0.4.2-1 | — |
| Debian 12 | wildmidi | 0.4.2-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | wildmidi | No fix yet | — |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 16.04 LTS | wildmidi | 0.3.8-2ubuntu0.1~esm1 | USN-4807-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | wildmidi | 0.4.4-1.3 | openSUSE-SU-2024:11512-1 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
Exploit-DB 1
- WildMIDI 0.4.2 - Multiple Vulnerabilities EDB-42433 · dos · Aug 8, 2017
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 2
- USN-4807-1 wildmidi vulnerabilities Ubuntu Security Notices (USN) · Jun 25, 2026
- openSUSE-SU-2024:11512-1 libWildMidi2-0.4.4-1.3 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026