free5gc/amf · Security
Free5GC AMF is vulnerable to DoS through its HandleRegistrationComplete function
- GHSA ID
- GHSA-xq44-64rg-8g3h
- CVE ID
- CVE-2026-4531
- Severity
- medium
- Published
- Updated
- CVSS
- 5.3 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- CVSS v3
- 5.3 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- CVSS v4
- 6.9 · CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
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.
CWEs
- CWE-404 · Improper Resource Shutdown or Release
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-4531 ↗
- https://github.com/free5gc/free5gc/issues/792 ↗
- https://github.com/free5gc/amf/pull/198 ↗
- https://github.com/free5gc/amf/commit/52e9386401ce56ea773c5aa587d4cdf7d53da799 ↗
- https://vuldb.com/?ctiid.352319 ↗
- https://vuldb.com/?id.352319 ↗
- https://vuldb.com/?submit.774073 ↗
- https://github.com/advisories/GHSA-xq44-64rg-8g3h ↗