A NULL pointer dereference was discovered in AP4_AtomSampleTable::GetSample in Core/Ap4AtomSampleTable.cpp in Bento4 version 1.5.0-617. The vulnerability causes a segmentation fault and application crash, which leads to remote denial of service.
Conclusion & alert: CVE-2017-14640 is rated High Exploit Risk (67.9/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.67%). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.15% 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 ↗ | |
| — | 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 | 0.52% | 1.67% | +1.15% |
| 2 | 2025-03-30 | 0.88% | 0.52% | -0.36% |
| 3 | 2025-03-29 | — | 0.88% | — |
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
|
medium | CVE-2017-14640 medium priority: Ubuntu including 1 source packages (kodi-inputstream-adaptive), 13 status rows across 13 suites (bionic, focal, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): ignored 7, needs-triage 4, DNE 2. | https://ubuntu.com/security/CVE-2017-14640 |
| URL | Tags |
|---|---|
| https://blogs.gentoo.org/ago/2017/09/14/bento4-null-pointer-dereference-in-ap4_atomsampletablegetsample-ap4atomsampletable-cpp/ | Exploit Issue Tracking Patch Third Party Advisory VDB Entry |
| https://github.com/axiomatic-systems/Bento4/commit/2f267f89f957088197f4b1fc254632d1645b415d | Patch Third Party Advisory |
| https://github.com/axiomatic-systems/Bento4/issues/183 | Exploit Third Party Advisory |