libopenmpt before 0.3.11 allows a crash with certain malformed custom tunings in MPTM files.
Conclusion & alert: CVE-2018-20861 is rated Moderate Risk (48.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.14%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.41% | 1.14% | +0.73% |
| 2 | 2025-03-30 | 0.65% | 0.41% | -0.24% |
| 3 | 2025-03-29 | — | 0.65% | — |
Full EPSS history (8 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.5 | 3.0 | MEDIUM |
|
2.8 | 3.6 | [email protected] |
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2018-20861 not yet assigned priority: Debian including 1 source packages (libopenmpt), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2018-20861 |
suse
|
medium | CVE-2018-20861 severity moderate: SUSE including 39 source package names (0.3.2-1.2:libopenmpt0-0.3.17-2.7.1, 0.3.32-3.4:libopenmpt0-0.3.17-2.7.1, …), 95 product×package rows across 25 product lines (Container containers/lmcache-vllm-openai, Container containers/open-webui, … (25 product lines)): Fixed 95. | https://www.suse.com/security/cve/CVE-2018-20861/ |
ubuntu
|
medium | CVE-2018-20861 medium priority: Ubuntu including 1 source packages (libopenmpt), 18 status rows across 18 suites (bionic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): not-affected 14, DNE 2, needed 1, needs-triage 1. | https://ubuntu.com/security/CVE-2018-20861 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| openmpt | libopenmpt | < 0.3.11 | cpe:2.3:a:openmpt:libopenmpt:*:*:*:*:*:*:*:* |