CVE-2026-90707
6.9
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:X
Summary
A security flaw has been discovered in Open5GS up to 2.7.x. Affected is the function amf_nnrf_try_old_amf_discovery_fallback of the file src/amf/nnrf-handler.c of the component Old AMF Discovery Fallback. The manipulation of the argument discovery_option results in use after free. The attack may be performed from remote. The patch is identified as ddd683a35f8aaac2b7b9884a24cd53bddfc65238. Applying a patch is advised to resolve this issue.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| n/a | Open5GS | 2.0 | affected |
| n/a | Open5GS | 2.1 | affected |
| n/a | Open5GS | 2.2 | affected |
| n/a | Open5GS | 2.3 | affected |
| n/a | Open5GS | 2.4 | affected |
| n/a | Open5GS | 2.5 | affected |
| n/a | Open5GS | 2.6 | affected |
| n/a | Open5GS | 2.7 | affected |
Weaknesses
- CWE-416: Use After Free
- CWE-119: Memory Corruption
References
- https://vuldb.com/vuln/403249
- https://vuldb.com/vuln/403249/cti
- https://vuldb.com/cve/CVE-2026-90707
- https://vuldb.com/submit/918267
- https://github.com/open5gs/open5gs/pull/4698
- https://github.com/open5gs/open5gs/commit/ddd683a35f8aaac2b7b9884a24cd53bddfc65238
- https://github.com/open5gs/open5gs/
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