Description
soundlib/Snd_fx.cpp in OpenMPT before 1.27.07.00 and libopenmpt before 0.3.8 allows remote attackers to cause a denial of service (out-of-bounds read) via an IT or MO3 file with many nested pattern loops.
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 | libopenmpt | 0.3.8-1 | — |
| Debian 13 | libopenmpt | 0.3.8-1 | — |
| Debian 12 | libopenmpt | 0.3.8-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 18.04 LTS | libopenmpt | 0.3.6-1ubuntu0.1~esm1 | USN-4831-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 | libopenmpt | 0.3.9-3.3.1 | SUSE-SU-2018:1951-1 |
Advisories 2
- USN-4831-1 libopenmpt vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- SUSE-SU-2018:1951-1 Security update for libopenmpt SUSE / openSUSE Security Updates · Feb 4, 2026