mp4v2 v2.0.0 was discovered to contain a heap buffer overflow via the mp4v2::impl::MP4StringProperty::~MP4StringProperty() function at src/mp4property.cpp.
Conclusion & alert: CVE-2023-29578 is rated High Exploit Risk (70.9/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.37%). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). 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 ↗ | |
| — | 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 | 2026-04-25 | 0.17% | 0.37% | +0.19% |
| 2 | 2025-11-21 | 0.29% | 0.17% | -0.12% |
| 3 | 2025-11-18 | — | 0.29% | — |
Full EPSS history (9 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 8.8 | 3.1 | HIGH |
|
2.8 | 5.9 | [email protected] |
| 8.8 | 3.1 | HIGH |
|
2.8 | 5.9 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| vendor | priority | summary | link |
|---|---|---|---|
ubuntu
|
medium | CVE-2023-29578 medium priority: Ubuntu including 1 source packages (mp4v2), 13 status rows across 13 suites (bionic, focal, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): DNE 9, needs-triage 3, ignored 1. | https://ubuntu.com/security/CVE-2023-29578 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| mp4v2_project | mp4v2 | 2.0.0 | cpe:2.3:a:mp4v2_project:mp4v2:2.0.0:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://github.com/TechSmith/mp4v2/issues/74 | Exploit Issue Tracking |
| https://github.com/z1r00/fuzz_vuln/blob/main/mp4v2/heap-buffer-overflow/mp4property.cpp/readme.md | Exploit |