CVE-2026-30075

High

Description

OpenAirInterface Version 2.2.0 has a Buffer Overflow vulnerability in processing UplinkNASTransport containing Authentication Response containing a NAS PDU with oversize response (For example 100 byte). The response is decoded by AMF and passed to the AUSF component for verification. AUSF crashes on receiving this oversize response. This can prohibit users from further registration and verification and can cause Denial of Services (DoS).

SeverityHigh
CVSS7.5
Exploit probability—
ProductOpenairinterface Oai-cn5g-amf
PublishedApr 8, 2026
First seenApr 8, 2026
Weakness typeCWE-120CWE-120

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
openairinterface oai-cn5g-amf2.2.0—

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