Vulnerability Description
A vulnerability was determined in Free5GC up to 4.1.0. The impacted element is the function establishPfcpSession of the component SMF. Executing a manipulation can lead to null pointer dereference. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized. It is best practice to apply a patch to resolve this issue.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Free5Gc | Free5Gc | <= 4.1.0 |
Related Weaknesses (CWE)
References
- https://github.com/free5gc/free5gc/Product
- https://github.com/free5gc/free5gc/issues/815ExploitIssue TrackingVendor Advisory
- https://github.com/free5gc/free5gc/issues/815#issue-3832032062ExploitIssue TrackingVendor Advisory
- https://github.com/free5gc/smf/pull/189Issue Tracking
- https://vuldb.com/?ctiid.344495Permissions RequiredVDB Entry
- https://vuldb.com/?id.344495Third Party AdvisoryVDB Entry
- https://vuldb.com/?submit.743236ExploitThird Party AdvisoryVDB Entry
FAQ
What is CVE-2026-1973?
CVE-2026-1973 is a vulnerability with a CVSS score of 5.3 (MEDIUM). A vulnerability was determined in Free5GC up to 4.1.0. The impacted element is the function establishPfcpSession of the component SMF. Executing a manipulation can lead to null pointer dereference. Th...
How severe is CVE-2026-1973?
CVE-2026-1973 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-1973?
Check the references section above for vendor advisories and patch information. Affected products include: Free5Gc Free5Gc.