CVE-2026-94043 | Free5GC up to 4.2.3 Gmm handler.go race condition (Issue 1109)

September 19, 2026 Yanac

A vulnerability marked as problematic has been reported in Free5GC up to 4.2.3. This vulnerability affects unknown code of the file /corefuzzer_deps/free5gc/NFs/amf/internal/gmm/handler.go of the component Gmm Handler. This manipulation causes race condition.

This vulnerability is handled as CVE-2026-94043. The attack can be initiated remotely. Additionally, an exploit exists.

To fix this issue, it is recommended to deploy a patch.VulDB Recent EntriesRead More