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CVE-2026-90707

Open5GS Old AMF Discovery Fallback nnrf-handler.c amf_nnrf_try_old_amf_discovery_fallback use after free

CVSS 4.0 6.9 MEDIUMCVSS 3.1 8.3 HIGHCVSS 3.0 8.3 HIGHCVSS 2.0 7.5 Check source for fixed versionsKEV status unknown
Original advisory

cve-program · CVE-2026-90707

Published

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.

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CVE-2026-90707 · CVE overview and exploitation status

cve-program · CVE-2026-90707

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