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High severity8.3NVD Advisory· Published Sep 14, 2026

CVE-2026-90707

CVE-2026-90707

Description

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.

AI Insight

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Affected products

2
  • Open5gs/Open5gsreferences2 versions
    (expand)+ 1 more
    • (no CPE)
    • (no CPE)range: <=2.7.x

Patches

Vulnerability mechanics

References

6

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