Description
A flaw has been found in Free5GC SMF up to 4.1.0. Affected is the function HandlePfcpAssociationReleaseRequest of the file internal/pfcp/handler/handler.go of the component PFCP UDP Endpoint. Executing a manipulation can lead to null pointer dereference. The attack may be launched remotely. The exploit has been published and may be used. A patch should be applied to remediate this issue.
References (8)
Core 8
Core References
Third Party Advisory, VDB Entry vdb-entry
technical-description
https://vuldb.com/?id.343475
Permissions Required, VDB Entry signature
permissions-required
https://vuldb.com/?ctiid.343475
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.739508
Exploit, Issue Tracking, Vendor Advisory issue-tracking
https://github.com/free5gc/free5gc/issues/794
Issue Tracking issue-tracking
https://github.com/free5gc/free5gc/issues/794#issuecomment-3761063382
Exploit, Issue Tracking, Vendor Advisory exploit
issue-tracking
https://github.com/free5gc/free5gc/issues/794#issue-3811888505
Issue Tracking issue-tracking
patch
https://github.com/free5gc/smf/pull/188
Various Sources product
https://github.com/free5gc/smf/
Scores
CVSS v3
5.3
EPSS
0.0067
EPSS Percentile
46.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-404
CWE-476
Status
published
Products (1)
free5gc/free5gc
< 4.1.0
Published
Jan 30, 2026
Tracked Since
Feb 18, 2026