The mad_layer_III function in layer3.c in Underbit MAD libmad 0.15.1b allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted audio file.
Conclusion & alert: CVE-2017-8373 is rated High Exploit Risk (77.4/100): CVSS High severity, with medium exploitation likelihood (EPSS 2.54%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +2.20% over the last day, indicating growing attacker interest. Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
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 | 0.34% | 2.54% | +2.20% |
| 2 | 2025-11-01 | 0.53% | 0.34% | -0.19% |
| 3 | 2025-10-31 | — | 0.53% | — |
Full EPSS history (13 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.8 | 3.0 | HIGH |
|
1.8 | 5.9 | [email protected] |
| 6.8 | 2.0 | MEDIUM |
|
8.6 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
— | CVE-2017-8373: 1 source package rows (libmad); 9 state rows across 9 repos (3.10-main, 3.11-main, 3.17-community, 3.18-community, 3.19-community, 3.20-community, 3.21-community, 3.22-community, edge-community); fixed 9, open 0. | https://security.alpinelinux.org/vuln/CVE-2017-8373 |
debian
|
not yet assigned | CVE-2017-8373 not yet assigned priority: Debian including 1 source packages (libmad), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2017-8373 |
suse
|
high | CVE-2017-8373 severity important: SUSE including 8 source package names (libmad-devel-0.15.1b-150000.5.3.1, libmad-devel-0.15.1b-4.1, …), 66 product×package rows across 33 product lines (SUSE CaaS Platform 4.0, SUSE Enterprise Storage 6, … (33 product lines)): Fixed 66. | https://www.suse.com/security/cve/CVE-2017-8373/ |
ubuntu
|
medium | CVE-2017-8373 medium priority: Ubuntu including 1 source packages (libmad), 10 status rows across 10 suites (artful, bionic, cosmic, disco, precise, trusty, upstream, xenial, yakkety, zesty): released 5, ignored 4, not-affected 1. | https://ubuntu.com/security/CVE-2017-8373 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| underbit | mad_libmad | 0.15.1b | cpe:2.3:a:underbit:mad_libmad:0.15.1b:*:*:*:*:*:*:* |