GitHub Advisoryadvisory · Go
GHSA-xq44-64rg-8g3h Free5GC AMF is vulnerable to DoS through its HandleRegistrationComplete function
MEDIUM
Official page ↗
- Aliases
- CVE-2026-4531
- Ecosystem
- Go
- Packages
- github.com/free5gc/amf
- Severity
- Moderate
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- Weaknesses
- CWE-404
- Reviewed
- 2026-03-24
Affected packages
• Go github.com/free5gc/amf: < 1.4.3-0.20260306074636-52e9386401ce → fixed in 1.4.3-0.20260306074636-52e9386401ce
Description
A weakness has been identified in Free5GC 4.1.0. Affected is the function HandleRegistrationComplete of the file internal/gmm/handler.go of the component AMF. Executing a manipulation can lead to denial of service. The attack may be performed from remote. This patch is called 52e9386401ce56ea773c5aa587d4cdf7d53da799. It is best practice to apply a patch to resolve this issue.
Related
Alias · CVE (1)
- CVE-2026-4531 A weakness has been identified in Free5GC 4.1.0. vulnerability
Weakness · CWE (1)
- CWE-404 Improper Resource Shutdown or Release weakness
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-4531 advisory
- https://github.com/free5gc/free5gc/issues/792 web
- https://github.com/free5gc/amf/pull/198 web
- https://github.com/free5gc/amf/commit/52e9386401ce56ea773c5aa587d4cdf7d53da799 web
- https://github.com/free5gc/amf package
- https://vuldb.com/?ctiid.352319 web
- https://vuldb.com/?id.352319 web
- https://vuldb.com/?submit.774073 web