CVE-2026-75439
Summary
| CVE | CVE-2026-75439 |
|---|---|
| State | PUBLISHED |
| Assigner | mitre |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-09-04 21:17:25 UTC |
| Updated | 2026-09-14 14:17:09 UTC |
| Description | An issue in Free5GC v.4.2.2 allows a remote attacker to cause a denial of service via the UPF component |
Risk And Classification
Primary CVSS: v3.1 7.5 HIGH from ADP
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS: 0.002490000 probability, percentile 0.163350000 (date 2026-09-14)
Problem Types: CWE-476 | n/a | CWE-476 CWE-476 NULL Pointer Dereference
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | ADP | DECLARED | 7.5 | HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| 3.1 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | Secondary | 7.5 | HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
NoneUser Interaction
NoneScope
UnchangedConfidentiality
NoneIntegrity
NoneAvailability
HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| gist.github.com/hackeryounow/0f434c03008462e6eec3b43ed3cd12d8 | [email protected] | gist.github.com | |
| github.com/free5gc/go-upf/pull/97 | [email protected] | github.com | |
| github.com/free5gc/free5gc/issues/1059 | [email protected] | github.com | |
| github.com/hackeryounow/5GCVulDB/tree/main/CVE-2026-75439 | [email protected] | github.com | |
| github.com/free5gc/free5gc/issues/1059.https://github.com/free5gc/go-upf... | [email protected] | github.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.