Open5GS Transfer Endpoint namf-handler.c null pointer dereference

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-82588
StatePUBLISHED
AssignerVulDB
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-30 22:17:00 UTC
Updated2026-08-30 22:17:00 UTC
DescriptionA vulnerability was identified in Open5GS up to 2.7.7. This issue affects some unknown processing of the file src/amf/namf-handler.c of the component Transfer Endpoint. Such manipulation leads to null pointer dereference. The attack can be launched remotely. Upgrading to version 2.8.0 is capable of addressing this issue. The name of the patch is abf8a836564b966b5141110fc25ed413c4f17522. Upgrading the affected component is advised.

Risk And Classification

Primary CVSS: v4.0 5.3 MEDIUM from [email protected]

CVSS: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:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Problem Types: CWE-404 | CWE-476 | CWE-476 NULL Pointer Dereference | CWE-404 Denial of Service

VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary5.3MEDIUMCVSS: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:X/C...
4.0CNADECLARED5.3MEDIUMCVSS: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:X
3.1[email protected]Primary4.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
3.1CNADECLARED4.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:X/RL:O/RC:C
3.0CNADECLARED4.3MEDIUMCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:X/RL:O/RC:C
2.0[email protected]Secondary4AV:N/AC:L/Au:S/C:N/I:N/A:P
2.0CNADECLARED4AV:N/AC:L/Au:S/C:N/I:N/A:P/E:ND/RL:OF/RC:C

CVSS v4.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Confidentiality
None
Integrity
None
Availability
Low
Sub Conf.
None
Sub Integrity
None
Sub Availability
None

CVSS: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:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

CVSS v3.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:X/RL:O/RC:C

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na Open5GS affected 2.7.0 Not specified
CNA Na Open5GS affected 2.7.1 Not specified
CNA Na Open5GS affected 2.7.2 Not specified
CNA Na Open5GS affected 2.7.3 Not specified
CNA Na Open5GS affected 2.7.4 Not specified
CNA Na Open5GS affected 2.7.5 Not specified
CNA Na Open5GS affected 2.7.6 Not specified
CNA Na Open5GS affected 2.7.7 Not specified
CNA Na Open5GS unaffected 2.8.0 Not specified

References

ReferenceSourceLinkTags
vuldb.com/cve/CVE-2026-82588 [email protected] vuldb.com
vuldb.com/vuln/397083 [email protected] vuldb.com
github.com/open5gs/open5gs/commit/abf8a836564b966b5141110fc25ed413c4f17522 [email protected] github.com
vuldb.com/submit/891891 [email protected] vuldb.com
github.com/open5gs/open5gs/issues/4397 [email protected] github.com
github.com/open5gs/open5gs [email protected] github.com
vuldb.com/vuln/397083/cti [email protected] vuldb.com
github.com/open5gs/open5gs/releases/tag/v2.8.0 [email protected] github.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: ZiyuLin (VulDB User) (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-08-30T00:00:00.000ZAdvisory disclosed
CNA2026-08-30T02:00:00.000ZVulDB entry created
CNA2026-08-30T08:15:07.000ZVulDB entry last update

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