CVE-2026-117068

Published Nov 2, 2026 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Description
An integer underflow vulnerability in the NAS decoder of OpenAirInterface (OAI) CN5G AMF v2.2.1 allows an unauthenticated remote attacker to cause a denial of service (DoS) via crafted NAS Registration Requests containing a truncated SUCI in the 5GS Mobile Identity IE. Insufficient length validation in the DecodeSuci() function results in an out-of-bounds heap read, causing the AMF process to crash.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Integer Underflow in AMF NAS Decoder Causing Denial of Service
Type Values Removed Values Added
Weaknesses CWE-191
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

Type Values Removed Values Added
First Time appeared Openairinterface
Openairinterface oai-cn5g-amf
Vendors & Products Openairinterface
Openairinterface oai-cn5g-amf
Type Values Removed Values Added
Title Integer Underflow in AMF NAS Decoder Causing Denial of Service
Weaknesses CWE-190
CWE-20
Type Values Removed Values Added
Description An integer underflow vulnerability in the NAS decoder of OpenAirInterface (OAI) CN5G AMF v2.2.1 allows an unauthenticated remote attacker to cause a denial of service (DoS) via crafted NAS Registration Requests containing a truncated SUCI in the 5GS Mobile Identity IE. Insufficient length validation in the DecodeSuci() function results in an out-of-bounds heap read, causing the AMF process to crash.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Nov 6, 2026, 7:14 PM
Reserved
Oct 27, 2026, 12:00 AM
Status
Deferred
Published
Nov 2, 2026, 6:18 PM
Modified
Nov 6, 2026, 8:17 PM