The function mp4v2::impl::MP4Track::FinishSdtp() in mp4track.cpp in libmp4v2 2.1.0 mishandles compatibleBrand while processing a crafted mp4 file, which leads to a heap-based buffer over-read, causing denial of service.
Conclusion & alert: CVE-2018-17235 is rated Moderate Risk (42.2/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.24%). 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 | 2026-04-12 | 0.40% | 0.24% | -0.16% |
| 2 | 2025-11-21 | 0.24% | 0.40% | +0.16% |
| 3 | 2025-11-18 | — | 0.24% | — |
Full EPSS history (9 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 |
|---|---|---|---|
ubuntu
|
low | CVE-2018-17235 low priority: Ubuntu including 1 source packages (mp4v2), 19 status rows across 19 suites (bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): DNE 15, needed 2, ignored 1, pending 1. | https://ubuntu.com/security/CVE-2018-17235 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| mp4v2_project | mp4v2 | 2.1.0 | cpe:2.3:a:mp4v2_project:mp4v2:2.1.0:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1629451 | Issue Tracking Third Party Advisory |
| https://github.com/enzo1982/mp4v2/releases/tag/v2.1.0 |