CVE-2026-82589

Open5GS N1-N2 Message namf-handler.c amf_namf_comm_handle_n1_n2_message_transfer denial of service

State
Published
Severity
5.3 Medium
Published
Aug 30, 2026
Updated
Aug 31, 2026
Reserved
Aug 30, 2026

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Description

A security flaw has been discovered in Open5GS up to 2.7.7. Impacted is the function amf_namf_comm_handle_n1_n2_message_transfer of the file src/amf/namf-handler.c of the component N1-N2 Message Handler. Performing a manipulation of the argument N1N2MessageTransferReqData.n2InfoContainer.smInfo.n2InfoContent.ngapIeType results in denial of service. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks. Upgrading to version 2.8.0 is recommended to address this issue. The patch is named abf8a836564b966b5141110fc25ed413c4f17522. It is advisable to upgrade the affected component.

Scores

CVSSScoreVectorSource
4.05.3 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:PVulDB
3.14.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:CVulDB
3.04.3 MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:CVulDB
2.04.0 MediumAV:N/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:OF/RC:CVulDB

Weaknesses

Affected Products

ProductVersions
Open5GSn/a
  • 2.7.0Affected
  • 2.7.1Affected
  • 2.7.2Affected
  • 2.7.3Affected
  • 2.7.4Affected
  • 2.7.5Affected
  • 2.7.6Affected
  • 2.7.7Affected
  • 2.8.0Not affected

References

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