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CVE-2026-94043

Free5GC Gmm handler.go race condition

MEDIUM
5.3
CVSS Score
Published: September 20, 2026 at 06:00 PM UTC
Updated: September 21, 2026 at 08:17 PM UTC
1 product affected across 1 vendorFREE5GC

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.6%
SSVC
PoC

Description

A vulnerability was determined in Free5GC up to 4.2.3. This vulnerability affects unknown code of the file /corefuzzer_deps/free5gc/NFs/amf/internal/gmm/handler.go of the component Gmm Handler. This manipulation causes race condition. The attack can be initiated remotely. Patch name: e323b01464355781b8b8d5dd695e05cbc00a62f2. To fix this issue, it is recommended to deploy a patch.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (8)

VDB Entry
Source: cverecord
https://vuldb.com/vuln/407972
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/407972/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-94043
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/949261
Issue Tracking
Source: cverecord
https://github.com/free5gc/free5gc/issues/1109
Issue TrackingPatch
Source: cverecord
https://github.com/free5gc/amf/pull/238
Patch
Source: cverecord
https://github.com/free5gc/amf/commit/e323b01464355781b8b8d5dd695e05cbc00a62f2
Product
Source: cverecord
https://github.com/free5gc/free5gc/

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.3MEDIUMVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-362

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