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An issue in Free5GC v.4.2.2 allows a remote attacker to cause a denial of service via the UPF component (CVE-2026-75439)

0
Medium
Published: 09/04/2026 (09/04/2026, 21:31:52 UTC)
Source: GCVE Database

Description

Free5GC version 4.2.2 contains a vulnerability in its UPF component that allows a remote attacker to cause a denial of service. No further technical details or exploitation methods are provided. There is no information on available patches or fixes. No CVSS score is assigned to this vulnerability.

Affected software

Affected versions
=4.2.2

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 09/07/2026, 14:39:08 UTC

Technical Analysis

A denial of service vulnerability exists in Free5GC version 4.2.2 affecting the UPF component. This flaw allows a remote attacker to disrupt service availability. The vulnerability is identified as CVE-2026-75439. No additional technical details or exploitation techniques are documented in the provided data.

Potential Impact

The impact is a denial of service condition caused by a remote attacker targeting the UPF component of Free5GC v4.2.2. This could result in service disruption affecting network functions relying on the UPF component.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or workaround information is provided in the available data.

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Technical Details

Gcve Source
db.gcve.eu
Osv Id
GHSA-5whm-8jh8-99wq
Osv Schema Version
1.4.0
Aliases
["CVE-2026-75439"]
State
PUBLISHED

Threat ID: 6a9c2636acd9273b49fc985d

Added to database: 09/05/2026, 14:24:54 UTC

Last enriched: 09/07/2026, 14:39:08 UTC

Last updated: 10/19/2026, 06:48:19 UTC

Views: 36

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