Out-of-bounds memory access in OpenAirInterface CN5G AMF N2 interface
Key facts
- Attack vector
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- Privileges required
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- User interaction
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- Attack complexity
- —
- Impact type
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- Confidentiality · integrity · availability
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- Fix status
- No fix listed
No CVSS vector from any source. Fix status from CNA.
Summary
OpenAirInterface (OAI) CN5G AMF v2.2.1 has an out-of-bounds memory access in its N2 SCTP interface. An unauthenticated remote attacker can cause a denial of service by repeatedly establishing SCTP associations, which crashes the process. The flaw is improper file descriptor bounds checking in the FD_SET() operation.
Written with Claude Haiku 5.5 from the sources below · 2026-11-02
Description from the CNA
An out-of-bounds memory access vulnerability in the N2 SCTP interface of OpenAirInterface (OAI) CN5G AMF v2.2.1 allows an unauthenticated remote attacker to cause a denial of service (DoS) by repeatedly establishing SCTP associations, resulting in a process crash due to improper file descriptor bounds checking in the FD_SET() operation.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
The sources list no fixed version for OpenAirInterface CN5G AMF.
Written with Claude Haiku 5.5 from the sources below · 2026-11-02
Timeline
- 2026-11-02 Threatist record created from CVE-2026-117067
- 2026-11-02 Alias added: GHSA-j246-8725-jrhc
References
Sources
- CVE-2026-117067 · CVE Program
- CVE-2026-117067 · NVD
- FIRST EPSS
- GHSA-j246-8725-jrhc · GitHub Advisory Database · CC BY 4.0
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