CVE-2026-1976
6.9
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
Summary
A weakness has been identified in Free5GC up to 4.1.0. Affected is the function SessionDeletionResponse of the component SMF. This manipulation causes null pointer dereference. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks. It is suggested to install a patch to address this issue.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| n/a | Free5GC | 4.0 | affected |
| n/a | Free5GC | 4.1.0 | affected |
Weaknesses
- CWE-476: NULL Pointer Dereference
- CWE-404: Denial of Service
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: poc
- Automatable: yes
- Technical Impact: partial
References
- https://vuldb.com/?id.344498
- https://vuldb.com/?ctiid.344498
- https://vuldb.com/?submit.743239
- https://github.com/free5gc/free5gc/issues/817
- https://github.com/free5gc/free5gc/issues/817#issue-3832188092
- https://github.com/free5gc/smf/pull/189
- https://github.com/free5gc/free5gc/
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